Rock Sample Details

SA Geodata Database - Rock Sample Details

Sample:

2425443

Depth From:

384.15

Depth To:

386.06

Details Location Geochemistry Biostratigraphy Petrology Geochronology References

Sample Source

Drill core

Drillhole Name

CDP006

Drillhole Number

299060

Collected By

DUTCH, R.A.

Collector's Number

Collected Date

01/11/2017

Tenement

Comments

Rock Group

METAMORPHIC GENERAL

Lithology

GNEISS

Lithology Modifier

Map Symbol

GIS Code

Strat Unit Name

Strat Modifier

Strat Description

Geological Province

Datum

GDA2020

Coordinate Source

GPS Standalone Navigational

MGA Easting

546713.81

MGA Northing

6537061.52

MGA Zone

Long Degrees

129

Long Minutes

Long Seconds

27.109

S Lat Degrees

S Lat Minutes

S Lat Seconds

59.49

Long Degrees Decimal

129.4908637

Lat Degrees Decimal

-31.2998582

Horizontal Accuracy

Map 250K

SH5215 COOMPANA

Map 100K

4735 Merdayerrah

Map 50K

SA Geodata - Database Reference

Site No

2058096

Analysis Number

2105087

Other Analysis Id

EX 3577

Laboratory

Bureau Veritas Minerals Adelaide

Analyte	Value	Unit	Method	Method Description
Ag	0.20	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Al2O3	13.31	%	XF103	XRF Partial Silicate Analysis
As	<0.20	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Au	1	ppb	FA003	Lead Collection Fire Assay – ICP-MS
Ba	957	ppm	LA101	Fused Bead Laser Ablation ICP-MS
BaO	0.11	%	XF103	XRF Partial Silicate Analysis
Be	2.20	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Bi	0.36	ppm	LA101	Fused Bead Laser Ablation ICP-MS
C	0.02	%	TC003	Total Combustion – Carbon and Sulphur
CaO	1.64	%	XF103	XRF Partial Silicate Analysis
Cd	0.30	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Ce	91.20	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Cl	0.0270	%	XF103	XRF Partial Silicate Analysis
Co	8.10	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Cr	23	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Cs	1.90	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Cu	14	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Dy	6.03	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Er	3.98	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Eu	1.53	ppm	LA101	Fused Bead Laser Ablation ICP-MS
F	0.06	%	GC007	Fluoride
Fe2O3	4.18	%	XF103	XRF Partial Silicate Analysis
Ga	15.90	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Gd	6.78	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Ge	1.35	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Hf	6.99	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Ho	1.35	ppm	LA101	Fused Bead Laser Ablation ICP-MS
In	<0.05	ppm	LA101	Fused Bead Laser Ablation ICP-MS
K2O	5.57	%	XF103	XRF Partial Silicate Analysis
LOI	0.89	%	TG003	Loss on ignition - robotic thermo gravimetric analysis
La	46.70	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Lu	0.57	ppm	LA101	Fused Bead Laser Ablation ICP-MS
MgO	1.31	%	XF103	XRF Partial Silicate Analysis
Mn	929	ppm	LA101	Fused Bead Laser Ablation ICP-MS
MnO	0.10	%	XF103	XRF Partial Silicate Analysis
Mo	0.40	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Na2O	2	%	XF103	XRF Partial Silicate Analysis
Nb	14	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Nd	41.20	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Ni	10	ppm	LA101	Fused Bead Laser Ablation ICP-MS
P2O5	0.1540	%	XF103	XRF Partial Silicate Analysis
Pb	34	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Pd	<1	ppb	FA003	Lead Collection Fire Assay – ICP-MS
Pr	11.70	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Pt	<1	ppb	FA003	Lead Collection Fire Assay – ICP-MS
Rb	185	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Re	<0.01	ppm	LA101	Fused Bead Laser Ablation ICP-MS
S	<0.01	%	TC003	Total Combustion – Carbon and Sulphur
Sb	<0.10	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Sc	12.30	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Se	<5	ppm	LA101	Fused Bead Laser Ablation ICP-MS
SiO2	70.13	%	XF103	XRF Partial Silicate Analysis
Sm	7.26	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Sn	3.60	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Sr	189	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Ta	1.20	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Tb	1.06	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Te	<0.20	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Th	20.70	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Ti	3730	ppm	LA101	Fused Bead Laser Ablation ICP-MS
TiO2	0.62	%	XF103	XRF Partial Silicate Analysis
Tl	1	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Tm	0.55	ppm	LA101	Fused Bead Laser Ablation ICP-MS
U	5.38	ppm	LA101	Fused Bead Laser Ablation ICP-MS
V	50.70	ppm	LA101	Fused Bead Laser Ablation ICP-MS
W	1	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Y	36.90	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Yb	3.74	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Zn	65	ppm	LA101	Fused Bead Laser Ablation ICP-MS
Zr	239	ppm	LA101	Fused Bead Laser Ablation ICP-MS

Analysis Type

Analysis Number

Analyst

Analysis Date

Preservation

Yield

Barren

Slide in Storage

Analysis Comments

Bio.Youngest.Age

Bio.Oldest

Paleo Environment

Paleo Vegetation

Min Biostrat Zone 1

Max Biostrat Zone 2

Result	Result Type	Result Comments

Analysis Number

2001682

Petrology Number

Historical Petrology Number

Analyst

MASON, D.R.

Petrology Analysis Date

22/01/2018

Thin Section in Storage

Petrology Specimen Type

Thin Section

Lithology

Monzogranite

Summary Decription

This sample displays minerals and textures which are interpreted in the following stages, from earliest to latest: 1. Crystallisation of granitoid A granitoid rock of possible ?monzogranitic composition crystallised to form a massive igneous assemblage of plagioclase + K-feldspar + quartz + ferromagnesians. The ferromagnesian possibly were originally present as granular aggregates, comparable with mafic aggregates described in other monzogranitic rocks in this collection. Opaques, apatite and zircon were present in the ferromagnesian aggregates; the significant amount of apatite in the mafic aggregates is similar to the other monzogranitic rocks. 2. Ductile deformation The rock suffered strong ductile deformation, producing a banded gneissic rock composed of alternating thicker felsic bands and thinner mafic laminae. Most of the deformation was accommodated in the mafic minerals, which were strongly elongated in bands, and which recrystallised to form fine-grained biotite + chlorite + opaques + leucoxene. P-T conditions were therefore in the middle-greenschist facies (biotiteforming). Earlier apatite and zircon survived. As part of this event, plagioclase grains were replaced by optically continuous albite clouded by tiny sericite flecks and hematite specks.

Detailed Decription

In thin section, this sample displays a partly preserved massive granitoid texture, modified by strong ductile deformation in spaced bands producing a mineralogically and texturally banded rock, overprinted by subsequent retrogressive alteration effects. Felsic minerals dominate bands ~3-5 mm thick. The bands display a massive preserved granitoid texture, defined by blocky subhedral plagioclase grains ~1-2 mm in size now replaced by optically continuous albite and clouds of tiny sericite flecks, anhedral K-feldspar grains (orthoclase) in places moulded on the plagioclase, and interstitial granular aggregates of recrystallised quartz. Accessory crystals of apatite and zircon occur in some of the altered plagioclase grains. Hematite occurs as minute specks which are sprinkled through the albite, in places forming more concentrated reddish clouds. Mafic minerals are concentrated in thin discontinuous laminae ~0.5 mm thick, which in turn are concentrated in bands up to ~2 mm thick, which alternate with the coarser-grained felsic bands described above. In the mafic laminae, tiny pleochroic reddish brown biotite flakes and pleochroic green chlorite flakes form a dense mat, partly massive but partly foliated in the trace of the lamination. Opaques form small granules and aggregates distributed through the biotite-chlorite mat. Titanite forms tiny turbid ragged granules and aggregates in the chlorite. Sericite occurs in minor amount as small colourless flakes intergrown with the biotite and chlorite. Apatite is moderately common as small stumpy colourless prisms. Zircon is observed as uncommon small equant grains.

Mineral Abundances by Volume

Abundant > 70%

Major 30-70%

Minor 5-29%

Albite, Biotite, Chlorite, K-feldspar, Quartz

Trace 1-4%

Opaque mineral, Sericite

Rare <1%

Apatite, Hematite, Titanite, Zircon

Unknown abundance

Interpretation No

Interpretor

JAGODZINSKI, E.A.

Interpretation Date

26/07/2019

Dating Method

U-Pb

Mineral

Zircon

Age

1618 ±9 Ma

Geological Attribution

Magmatic crystallisation

Age Type

Weighted Mean

Age

1163 ±8 Ma

Geological Attribution

Metamorphic crystallisation

Age Type

Weighted Mean

Document	Document ID	Information Type	Document Details	Reports Database
Laboratory Analysis Report	4224	Petrology Ref.	Dr Douglas R. Mason
Report Book	2018/00028	Geochronology Ref.	Jagodzinski, E.A.;Bodorkos, S.;Crowley, J.L.;Pawley, M.J.;Wise, T.W. PACE Copper Coompana Drilling Project: U-Pb dating of basement and cover rocks. Government of South Australia. Department for Energy and Mining. Report Book 2019	SAMREF