|
ASX ANNOUNCEMENT 16 June 2015
ASX Code: BDR
URUCUM UNDERGROUND UPDATE
FD1410
FD1409
|
Lode 1
Lode 2
Lode 1
Lode 2
|
23 m @ 4.92 g/t including 5 m @ 20.32 g/t
5 m @ 2.76 g/t
2 m @ 17.31 g/t gold
20 m @ 2.00 g/t gold
|
FD1406
|
Lode 1
Lode 2
|
25 m @ 2.29 g/t gold including 17 m @ 3.13 g/t gold
22 m @ 2.75 g/t gold including 18 m @ 3.25 g/t gold
|
FD1405
|
Lode 1
Lode 11
|
8.75 m @ 4.38 g/t gold including 5 m @ 6.7 g/t gold
12 m @ 4.81 g/t gold including 7 m @ 6.70 g/t gold
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Beadell Resources Limited ("Beadell" or "the Company") is pleased to announce significant new drill results from Urucum Underground at its 100% owned Tucano gold mine in Brazil (Figures 2 & 3, Table
1).
Surface Diamond drilling targeting Urucum Underground continues to intersect high grade results beneath the open pit reserve showing excellent continuity of the recently identified lode plunges. The drilling is targeting an initial underground reserve in the 200-400 m vertical area beneath the Urucum North open pit with a Pre-Feasibility to be completed by end of 2015. New results have been received from Lode 1 and Lode 2 which form two subparallel shear zones separated by approximately 10-20 m.
Another parallel footwall lode was intersected in FD1405, Lode 11.
Beadell Resources Limited
Second Floor, 16 Ord Street, West Perth 6005, Western Australia ABN 50 125 222 291 PO Box 542, West Perth 6872, Western Australia www.beadellresources.com.au Telephone: +61 8 9429 0800 | Facsimile: +61 8 9481 3176
Figure 1. Mining Concession Plan
Lode 1
Lode 1 is the western parallel lode at Urucum North and a separate long section is presented in Figure
2. A significant new result in FD1410 of 23 m @ 4.92 g/t gold including 5 m @ 20.32 g/t gold has extended the up dip strike length of Central Lode 1. An excellent conceptual target is currently being drilled at the interpreted intersection between Central Lode 1 and South Lode 1. A summary of the
new Lode 1 results are summarised below and presented in Table 1.
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FD1402
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5 m @ 1.80 g/t gold
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FD1405
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8.75 m @ 4.38 g/t gold including 5 m @ 6.7 g/t gold
|
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FD1406
|
25 m @ 2.29 g/t gold including 17 m @ 3.13 g/t gold
|
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FD1407
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11 m @ 1.72 g/t gold
|
|
FD1409
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2 m @ 17.31 g/t gold
|
|
FD1410
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23 m @ 4.92 g/t gold including 5 m @ 20.32 g/t gold
|
2
Figure 2. Urucum Lode 1 Long Section
Lode 2
Lode 2 forms the eastern parallel lode at Urucum North and a long section with new results is presented in Figure 3. Lode 2 is generally lower grade and wider than Lode 1 and forms an important compliment to Lode 1 due to its close spatial association and conceptually being able to be developed from single decline and development drives.
New drilling results from Lode 2 are presented below and in Table 1.
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FD1402
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7 m @ 1.42 g/t gold
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FD1405
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4 m @ 1.22 g/t gold
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FD1406
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22 m @ 2.75 g/t gold including 18 m @ 3.25 g/t gold
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FD1407
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9 m @ 1.58 g/t gold
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|
FD1409
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20 m @ 2.0 g/t gold
|
|
FD1410
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5 m @ 2.76 g/t gold
|
3
Lode 11
Figure 3. Urucum Lode 2 Long Section
Significant gold mineralisation was intersected in an additional lode position named Lode 11 which is located in the footwall to Lode 1. A drilling result from Lode 11 included;
FD1405 12 m @ 4.81 g/t gold including 7 m @ 6.7 g/t gold
This mineralisation is likely to represent the northern plunge continuation of the main Urucum South mineralisation at depth. The Lode 11 position in Urucum North remains sparsely tested and requires additional drilling to define the extents and significance of the lode.
For further information please contact:
Peter Bowler | Managing Director Rob Watkins | Executive Director Geology T: +61 8 9429 0800 T: +61 8 9429 0800 [email protected][email protected]
Competent Persons Statement
The information in this report relating to Exploration Results and Mineral Resources and Ore Reserves is based on information compiled by Mr Robert Watkins who is a member of the Australasian Institute of Mining and Metallurgy and has sufficient exploration experience which is relevant to the various styles of mineralisation under consideration to qualify as a Competent Person as defined in the 2012
Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Mr Watkins is a full time employee of Beadell Resources Limited. Mr Watkins consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.
4
Table 1
Urucum Underground Diamond Drill Results
Target
|
Hole
|
North
|
East
|
RL
|
Dip
|
Az
|
From
(m)
|
To
(m)
|
Width
(m)
|
Gold
(g/t)
|
Urucum
|
FD1402
|
99,867
|
402,096
|
196
|
-65
|
239
|
199
218
251
265
276
|
203
225
256
268
281
|
4
7
5
3
5
|
0.69
1.42
0.81
0.64
1.80
|
Urucum
|
FD1405
|
99,589
|
402,099
|
185
|
-79
|
262
|
283
296
334
392
399
413
Inc 413
508.53
Inc 518
|
287
298
338
395
409
421.75
418
527
525
|
4
2
4
3
10
8.75
5
18.47
7
|
0.77
0.55
1.22
2.38
1.19
4.38
6.70
3.47
6.70
|
Urucum
|
FD1406
|
99,491
|
402,051
|
176
|
-84
|
310
|
284
299
Inc 303
324
Inc 328
|
287
321
321
349
345
|
3
22
18
25
17
|
1.26
2.75
3.35
2.29
3.13
|
Urucum
|
FD1407
|
100,021
|
402,091
|
228
|
-61
|
251
|
218
244
262
270
333
|
221
246
271
274
344
|
3
2
9
4
11
|
1.98
1.58
0.53
1.72
0.65
|
Urucum
|
FD1409
|
100,188
|
402,108
|
236
|
-67
|
243
|
0
284
321
|
11.5
304
323
|
11.5
20
2
|
1.96
2.0
17.31
|
Urucum
|
FD1410
|
99,868
|
402,097
|
196
|
-68
|
227
|
244
257
303
Inc 321
|
249
264
326
326
|
5
7
23
5
|
2.76
0.55
4.92
20.32
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All intercepts are reported using a 0.5 g/t gold lower cut off and no greater than 2 m internal dilution.
Section 1 Sampling Techniques and Data
(Criteria in this section apply to all succeeding sections.)
Criteria
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JORC Code explanation
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Commentary
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Sampling
techniques
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Nature and quality of sampling (e.g.
cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as down hole gamma sondes, or handheld XRF instruments, etc.). These examples should not be taken as limiting the broad meaning of sampling.
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For RC drilling the entire 1m RC samples were obtained and
split by an adjustable cone splitter attached to the base of the cyclone (1.5kg - 6.0kg) and were utilised for both lithology logging and assaying.
For Diamond core, half core is measured, logged and then cut, crushed and pulverised at the Tucano site sample preparation laboratory.
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Sampling
techniques
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Include reference to measures
taken to ensure sample representivity and the appropriate calibration of any measurement tools or systems used.
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Samples are split into single meter intervals.
Certified standards were inserted every 25th sample and to assess the accuracy and methodology of the external laboratories. Field duplicates were inserted every 20th sample to assess the repeatability and variability of the gold mineralisation. Laboratory duplicates were also completed approximately every 20th sample to assess the precision of the laboratory as well as the repeatability and variability of
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5
the gold mineralisation. A blank standard was inserted at the
start of every batch. Results of the QAQC sampling were assessed on a batch by batch basis and were considered acceptable.
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Aspects of the determination of
mineralisation that are Material to the Public Report. In cases where
'industry standard' work has been done this would be relatively simple (e.g. 'reverse circulation drilling was used to obtain 1 m samples from which 3 kg was pulverised to produce a 30 g charge for fire assay'). In other cases more explanation may be required, such as where there is coarse gold that has inherent sampling problems. Unusual commodities or mineralisation types (e.g. submarine nodules) may warrant disclosure of detailed information.
|
1m RC samples were obtained by an adjustable cone splitter
attached to the base of the cyclone (1.5kg - 6.0kg) and were utilised for both lithology logging and assaying.
At the mine exploration sample preparation facility, core samples are dried at 105C, crushed to -8mm then to -2mm and split to 0.9-1kg before being pulverised to 1mm. This sample is quartered cut to between 200-400g before being pulverised to 95% passing 105μm. The final pulp is quartered again to achieve a sample of 100 - 200g and is sent to SGS laboratories in Belo Horizonte for fire assay.
At the mine exploration sample preparation facility, the RC
1m samples are dried at 140C, crushed to -2mm (if aggregated) and riffle split to 1kg. The 1 kg sample is then pulverised to 1mm and quarter cut to between 200 and 400g. This sample is then pulverised to 95% passing 105μm and quarter cut to a 100-200g sample to send to SGS. Any duplicates samples of the same interval are also sent to ACME laboratories for analysis. Samples from the Lookout Lode were assayed at the onsite chemical Laboratory.
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Drilling
techniques
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Drill type (e.g. core, reverse
circulation, open-hole hammer, rotary air blast, auger, Bangka, sonic, etc.) and details (e.g. core diameter, triple or standard tube, depth of Diamond tails, face- sampling bit or other type, whether core is oriented and if so, by what method, etc.).
|
A 5.5'' diameter face sampling hammer was used for RC
drilling. For Diamond drilling NQ size core is produced.
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Drill sample
recovery
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Method of recording and assessing
core and chip sample recoveries and results assessed.
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RC recovery was visually assessed, with recovery being
excellent except in some wet intervals at the water table. The majority of mineralised intersection results received occurred above the water table. All core is orientated and measured
for recovery
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Drill sample
recovery
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Measures taken to maximise
sample recovery and ensure representative nature of the samples.
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RC samples were visually checked for recovery, moisture
and contamination. The drilling contractor utilised a cyclone and cone splitter to provide uniform sample size. The cone splitter was cleaned at the end of every 3m rod and the cyclone cleaned at the completion of every hole.
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Drill sample
recovery
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Whether a relationship exists between sample recovery and
grade and whether sample bias may have occurred due to
preferential
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Sample recoveries for RC holes were high within the mineralised zones. No significant bias is expected.
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Logging
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Whether core and chip samples
have been geologically and geotechnically logged to a level of detail to support appropriate Mineral Resource estimation, mining studies and metallurgical studies.
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Lithology, alteration, veining, mineralisation and weathering
were logged from the RC chips and stored in Datashed. Chips from selected holes were also placed in chip trays and stored in a designated building at site for future reference.
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Logging
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Whether logging is qualitative or quantitative in nature. Core (or
costean, channel, etc.)
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All logging is qualitative except for density and recovery. All core photography has been completed shortly after being
received at the core yard and always prior to cutting.
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6
photography.
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The total length and percentage of
the relevant intersections logged.
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All drill holes are logged in full.
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Sub-sampling
techniques and sample preparation
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If core, whether cut or sawn and
whether quarter, half or all core taken.
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Core holes and half core sampled from cut core.
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Sub-sampling
techniques and sample preparation
|
If non-core, whether riffled, tube
sampled, rotary split, etc. and whether sampled wet or dry.
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The RC drilling utilised a cyclone and cone splitter to
produce samples in the 1kg to 6kg range. Once collected the sample is dried, crushed to -2mm and split at the site sample preparation lab down to approximately 1kg prior to pulverisation.
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Sub-sampling
techniques and sample preparation
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For all sample types, the nature,
quality and appropriateness of the sample preparation technique.
|
The 1 kg sample is then pulverised to 1mm and quarter cut
to between 200 and 400g. This sample is then pulverised to
95% passing 105μm and quarter cut to a 100-200g sample to send to SGS or to the mine chemical lab for analysis.
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Sub-sampling
techniques and sample preparation
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Quality control procedures adopted
for all sub-sampling stages to maximise representivity of samples.
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Certified standards and blanks were inserted every 25th
sample to assess the accuracy and methodology of the external laboratory (SGS), and field duplicates were inserted every 20th sample to assess the repeatability and variability of the gold mineralisation. At Tucano field duplicates were taken for Diamond core but not for RC. Laboratory duplicates (sample preparation split) were completed every 20th
sample to assess the precision of the laboratory as well as the repeatability and variability of the gold mineralisation. Duplicate samples were also sent to a different lab (ACME Laboratories) for analysis.
|
Sub-sampling
techniques and sample preparation
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Measures taken to ensure that the
sampling is representative of the in situ material collected, including for instance results for field duplicate/second-half sampling.
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The results of the field duplicates show an acceptable level
of repeatability.
Reconciliation data from mining at Tucano indicates that the sampling and estimation is representative.
|
Sub-sampling
techniques and sample preparation
|
Whether sample sizes are
appropriate to the grain size of the material being sampled.
|
Sample sizes (1kg to 6kg) are considered to be a sufficient
size to accurately represent the gold mineralisation based on the mineralisation style, the width and continuity of the intersections, the sampling methodology.
Field duplicates of Diamond core have routinely been collected to ensure monitoring of the sub-sampling quality. Acceptable precision and accuracy is noted in the field duplicates albeit the precision is marginally acceptable and consistent with a course gold deposit.
|
Quality of
assay data and laboratory tests
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The nature, quality and
appropriateness of the assaying
and laboratory procedures used and whether the technique is considered partial or total.
|
All resource or exploration holes (prefix FD or F) gold
assaying completed by external certified laboratories (SGS in Belo Horizonte and ACME laboratories) and using a 30g charge for fire assay analysis with an AAS finish. This technique is industry standard for gold and considered appropriate. All grade control hole (prefix GCRC) gold assaying completed at the non-certified Tucano mine site chemical laboratory using similar fire assay analysis. Selected Screen fire analysis was performed on selected intervals where coarse gold was observed.
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For geophysical tools,
spectrometers, handheld XRF instruments, etc., the parameters used in determining the analysis including instrument make and model, reading times, calibrations
factors applied and their derivation,
|
Geophysical tools not used.
|
7
etc.
|
Nature of quality control procedures
adopted (e.g. standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (i.e. lack of bias) and precision have been established.
|
Certified Reference Material (CRM or standards) were
inserted every 25th sample to assess the assaying accuracy of the external laboratories. Field duplicates were inserted every 20th sample to assess the repeatability from the field and variability of the gold mineralisation. Laboratory duplicates were also completed approximately every 20th sample to assess the precision of assaying. Evaluation of both the Beadell submitted standards, and the internal laboratory quality control data, indicates assaying to be accurate and without significant drift for significant time periods. Excluding obvious errors, the vast majority of the CRM assaying report shows an overall mean bias of less than 5% with no consistent positive or negative bias noted. Duplicate assaying show high levels of correlation (linear correlation >0.96) and no apparent bias between the duplicate pairs. Field duplicate sample show marginally acceptable levels of correlation (0.89 for the SGS data set,
0.96 for the Ultratrace and MinAnalytical data set but 0.61 for the KalAssay data set) and no relative bias.
Each analysis batch (approx. 150 samples) is checked to ensure that the standards fall within the accepted levels of
standard deviation. Where any standard exceeds 3 standard
deviations or where more than one standard falls between 2 and 3 standard deviations, the entire batch is resubmitted for analysis.
|
Verification of
sampling and assaying
|
The verification of significant
intersections by either independent or alternative company personnel.
|
The high grade intersections of core and RC have been
observed by various visiting geological consultants (e.g. Cube consulting).
|
Verification of
sampling and assaying
|
The use of twinned holes.
|
At Urucum underground Diamond twin holes have been
drilled previously showing what is considered to be normal variations in Orogenic gold mineralisation.
|
Verification of
sampling and assaying
|
Documentation of primary data,
data entry procedures, data verification, data storage (physical and electronic) protocols.
|
All geological logging information is entered directly into
Logchief and synchronised with the Datashed database. Other field data (e.g. sampling sheets, downhole surveys etc.) are entered into excel spreadsheets formatted for Datashed importation. Lab assay reports are directly imported into Datashed along with all QAQC data and metadata. Data importation is done by Maxwell Geoservices staff under contract by Beadell Resources. All data loading procedures have been documented by Maxwell Geoservices.
|
Verification of
sampling and assaying
|
Discuss any adjustment to assay
data.
|
Data below the detection limit is defined with a negative
value, e.g.
|
Location of
data points
|
Accuracy and quality of surveys
used to locate drill holes (collar and down-hole surveys), trenches, mine workings and other locations used
in Mineral Resource estimation.
|
Beadell drill hole collar locations were picked up by site-
based authorized surveyors using Total Station Leica 407, calibrated to a base station (expected accuracy of 20mm).
Downhole surveying was measured by the drilling contractors using a Reflex Gyro Downhole Survey Instrument for RC holes. Shallow RC holes were picked up at the collar and 2 points on the rod string using Total Station. Grade control RC holes less than ~50m depth are not down hole surveyed.
|
Location of
data points
|
Specification of the grid system
used.
|
The grid system is SAD 69 Zone 22N.
|
Location of
data points
|
Quality and adequacy of
|
Beadell Brasil Ltda Survey Staff generated a digital terrain
|
8
topographic control.
|
model (DTM) from Total Station surface pickups of the
Tucano deposit.
|
Data spacing and
distribution
|
Data spacing for reporting of
Exploration Results.
|
The nominal drill hole spacing is 5m (E) by 10m (N) for the
Tucano RC holes and nominal 50m x 50m spacing for Diamond drilling at Urucum Underground.
|
Data spacing and
distribution
|
Whether the data spacing and
distribution is sufficient to establish the degree of geological and grade continuity appropriate for the Mineral Resource and Ore Reserve estimation procedure(s) and classifications applied.
|
The data spacing and distribution is sufficient to demonstrate
spatial and grade continuity of the mineralised domains to support the definition of Inferred, Indicated and Measured Mineral resources under the 2012 JORC code.
|
Data spacing and
distribution
|
Whether sample compositing has
been applied.
|
No sample compositing has been applied in the field within
the mineralised zones.
|
Orientation of data in
relation to geological
structure
|
Whether the orientation of sampling achieves unbiased sampling of
possible structures and the extent to which this is known, considering the
deposit type.
|
The majority of drilling is orientated east-west at Tucano with a 60 degree dip, which is roughly perpendicular to both the
strike and dip of the mineralisation; therefore ensuring intercepts are close to true-width.
|
Orientation of data in
relation to geological
structure
|
If the relationship between the
drilling orientation and the orientation of key mineralised structures is considered to have introduced a sampling bias, this should be assessed and reported if material.
|
Sectional interpretation of 5m spaced holes on 10m spaced
lines shows a very uniform mineralised zone both along strike and down dip. The drill orientation is as close to
normal to this body as possible and therefore the drill hole to mineralisation is not considered to have introduced a sampling bias.
|
Sample
security
|
The measures taken to ensure
sample security.
|
Samples are securely sealed and stored onsite, until delivery to Macapa via the company contracted Taxi driver, who then
also delivers the samples directly to TAM airlines cargo dispatch facility for delivery to Belo Horizonte. Sample submission forms are sent with the samples as well as emailed to the laboratory, and are used to keep track of the
sample batches.
|
Audits or
reviews
|
The results of any audits or reviews
of sampling techniques and data.
|
A site visits was completed in 2012 (Cube Consulting) to
review sampling procedures and grade control practices. This visit concluded the sampling to be at an industry standard, and of sufficient quality to carry out a Mineral Resource Estimation.
|
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
Criteria
|
JORC Code explanation
|
Commentary
|
Mineral
tenement and land tenure status
|
Type, reference name/number,
location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical
sites, wilderness or national park and environmental settings.
|
The Tucano deposits reside in tenement 851.676/1992,
centrally located within the northern state of Amapa, Brazil. The current registered holder of the tenements is Beadell Brasil Ltda.
The Duckhead prospect resides in tenement 852.730/1993, centrally located within the northern state of Amapa, Brazil. The current registered holders of the tenements is Anglo Ferrous, however Beadell Brasil Ltda has mineral rights to extract gold resources under a Joint Operators Agreement with the Anglo Ferrous. Beadell Brasil Ltda is already operating a nearby gold and iron ore producing mine site ("Tucano Gold") on its neighbouring mining lease.
|
9
The security of the tenure held at
the time of reporting along with any known impediments to obtaining a licence to operate in the area.
|
Existing mining concession owned 100% by Beadell
Resources Ltd. Existing mining lease, owned by Anglo Ferrous at Duckhead. Beadell owns 100% of the gold rights and Duckhead Mining Agreements governs the access.
|
Exploration
done by other parties
|
Acknowledgment and appraisal of
exploration by other parties.
|
Beadell Brasil Ltda acknowledges the previous operator
MPBA for the initial discovery of the deposit.
|
Geology
|
Deposit type, geological setting
and style of mineralisation.
|
The Tucano deposits are structurally controlled orogenic
lode type gold deposit hosted within a Banded Iron Formation unit in contact with a Clastic quartz biotite schist. The Lodes are characterised by shear parallel disseminated pyrite and pyrrhotite mineral assemblages and generally exhibit a strong oxidation profile in the regolith without any secondary dispersion other than colluvial deposits.
The Duckhead deposits are structurally controlled orogenic lode type gold deposit hosted within a Banded Iron Formation unit in contact with a Clastic quartz biotite schist.
The Wing Lode and Hangingwall Lodes are characterised by shear parallel disseminated pyrite and pyrrhotite mineral assemblages. The Main Lode is characterised by extremely deep weathering on the BIF and clastic contact.
|
Drill hole
Information
|
A summary of all information
material to the understanding of the exploration results including a tabulation of the following information for all Material drill holes:
o easting and northing of the drill hole collar
o elevation or RL (Reduced Level - elevation above sea level in metres) of the drill
hole collar
o dip and azimuth of the hole
o down hole length and
interception depth
o hole length.
|
See Table 1
|
Drill hole
Information
|
If the exclusion of this information
is justified on the basis that the information is not Material and this exclusion does not detract from
the understanding of the report, the Competent Person should clearly explain why this is the
case.
|
Data
aggregation methods
|
In reporting Exploration Results,
weighting averaging techniques, maximum and/or minimum grade truncations (e.g. cutting of high grades) and cut-off grades are usually Material and should be stated.
|
In the reporting of exploration results, un-cut grades are
reported. The lower cut-off limit is considered to be 0.5g/t for the reporting of drill hole intercepts with no more than 2 m downhole internal dilution. Intercepts are determined using a weighted average over the length of the intercept.
|
10
Where aggregate intercepts
incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical examples of such aggregations should be shown in detail.
|
In the instance where aggregate intercepts include shorter
lengths of higher grade material, the total interval is stated first followed by the word "including", then a listing of the contained shorter high grade intercepts.
|
The assumptions used for any
reporting of metal equivalent values should be clearly stated.
|
No metal equivalents are used at Tucano.
|
Relationship
between mineralisation widths and intercept lengths
|
These relationships are particularly
important in the reporting of
Exploration Results.
|
The drilling was designed to intersect the mineralisation at
an angle that is roughly perpendicular to the overall trend for both strike and dip. The mineralised intervals are generally much wider than the minimum sample interval of 1m.
|
Relationship
between mineralisation widths and intercept lengths
|
If the geometry of the
mineralisation with respect to the drill hole angle is known, its nature should be reported.
|
The drilling was designed to intersect the mineralisation at
an angle that is roughly perpendicular to the overall trend for both strike and dip. The mineralised intervals are generally much wider than the minimum sample interval of 1m.
|
Relationship
between mineralisation widths and intercept lengths
|
If it is not known and only the
down hole lengths are reported, there should be a clear statement to this effect (e.g. 'down hole length, true width not known').
|
All drill intersections are stated as down hole lengths. At
Duckhead drill intercepts approximate true widths.
At Urucum true widths are approximately half the down hole width
|
Diagrams
|
Appropriate maps and sections
(with scales) and tabulations of intercepts should be included for any significant discovery being reported These should include, but not be limited to a plan view of drill hole collar locations and appropriate sectional views.
|
See diagrams in main body of the announcement.
|
Balanced
reporting
|
Where comprehensive reporting of
all Exploration Results is not practicable, representative reporting of both low and high grades and/or widths should be practiced to avoid misleading reporting of Exploration Results.
|
All the significant results greater than 0.5 g/t gold over at
least 2m downhole have been reported in Table 1 and Table
2.
|
Other
substantive exploration data
|
Other exploration data, if
meaningful and material, should be reported including (but not limited to): geological observations; geophysical survey results; geochemical survey results; bulk samples - size and method of treatment; metallurgical test results; bulk density, groundwater, geotechnical and rock characteristics; potential deleterious or contaminating substances.
|
The Tucano results are from an active mining area where
open pit mining is in progress. Reconciliation has been verified by mill metallurgical balance based on models using the same drilling method for results.
|
11
Further work The nature and scale of planned further work (e.g. tests for lateral extensions or depth extensions or large-scale step-out drilling).
Diagrams clearly highlighting the areas of possible extensions, including the main geological interpretations and future drilling areas, provided this information is not commercially sensitive.
The Tucano lodes remain open at depth and along strike in most cases and contain numerous outlying intersections that will require follow up drilling. Several diagrams have been included to highlight this aspect.
12
|
|