KGL Resources : Rockface Assay Results

Date

JORC Reported

Hole

originally

use

Reported

Under

KJCD

481D3

11/10/2021

2012

KJCD

481D4

4/11/2021

2012

KJCD

481D5

4/11/2021

2012

KJCD

481D6

10/11/2021

2012

KJCD

481D7

8/12/2021

2012

KJCD

481D8

8/12/2021

2012

KJCD

010W1

15/01/2015

2012

personaland uncertainties. Although

every effort

has been made to verify such forward-looking statements, there can be no

Criteria

JORC Code explanation

Commentary

Sampling

∙ Nature and quality of sampling (e.g. cut channels, random

∙ At Reward diamond drilling and reverse

t chniques

chips, or specific specialised industry standard measurement

circulation (RC) drilling were used to obtain

use

tools appropriate to the minerals under investigation, such as

samples for geological logging and

down hole gamma sondes, or handheld XRF instruments,

assaying. The core samples comprised a

etc). These examples should not be taken as limiting the

mixture of sawn HQ quarter core, sawn NQ

broad meaning of sampling.

half core and possibly BQ half core

∙ Include reference to measures taken to ensure sample

(historical drilling only). Sample lengths are

representivity and the appropriate calibration of any

generally 1m, but at times length were

personal

measurement tools or systems used.

adjusted to take into account geological

∙ Aspects of the determination of mineralisation that are

variations. RC sample intervals are

Material to the Public Report.

predominantly 1m intervals with some 2

∙ In cases where 'industry standard' work has been done this

and 4m compositing (historical holes only)..

would be relatively simple (e.g. 'reverse circulation drilling

∙ RC samples are routinely scanned by KGL

was used to obtain 1 m samples from which 3 kg was

Resources with a Niton XRF. Samples

pulverised to produce a 30 g charge for fire assay'). In other

assaying greater than 0.1% Cu, Pb or Zn

cases more explanation may be required, such as where

are submitted for analysis at a commercial

there is coarse gold that has inherent sampling problems.

laboratory.

Unusual commodities or mineralisation types (e.g. submarine

∙ Mineralisation at all deposits is

nodules) may warrant disclosure of detailed information.

characterized by disseminations, veinlets

and large masses of chalcopyrite,

associated with magnetite-rich alteration

within a psammite. The mineralisation has

textures indicative of structural

emplacement within specific strata i.e. the

mineral appears stratabound.

∙ Documentation of the historical drilling

(pre-2011) for Reward is variable.

Drilling

∙ Drill type (e.g. core, reverse circulation, open-hole hammer,

∙ The KGL and previous Jinka-Minerals RC

techniques

rotary air blast, auger, Bangka, sonic, etc) and details (e.g.

drilling was conducted using a reverse

For

core diameter, triple or standard tube, depth of diamond tails,

circulation rig with a 5.25-inch face-

face-sampling bit or other type, whether core is oriented and

sampling bit. Diamond drilling was either

if so, by what method, etc).

in NQ2 or HQ3 drill diameters.

Metallurgical diamond drilling (JMET holes)

were PQ

∙ There is no documentation for the historic

drilling techniques.

∙ Diamond drilling was generally cored from

surface with some of the deeper holes at

Rockface and Reward utilizing RC pre-

collars.

∙ Oriented core has been measured for the

recent KGL drilling.

Drill sample

∙ Method of recording and assessing core and chip sample

∙ The KGL RC samples were not weighed

recovery

recoveries and results assessed.

on a regular basis but when completed no

∙ Measures taken to maximise sample recovery and ensure

sample recovery issues were encountered

representative nature of the samples.

during the drilling program.

∙ Whether a relationship exists between sample recovery and

∙

Jinka Minerals and KGL split the rare

grade and whether sample bias may have occurred due to

overweight samples (>3kg) for assay.

preferential loss/gain of fine/coarse material.

Since overweight samples were rarely

reported no sample bias was established

between sample recovery and grade.

KGL Resources Limited | Rockface Assay Results

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