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Daws Diggings, Parndana, Kangaroo Island, South Australia, Australia

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Latitude & Longitude (WGS84): 35° 49' 17'' South , 137° 15' 33'' East
Latitude & Longitude (decimal): -35.82139,137.25917
GeoHash:G#: r19s5qvj6
Locality type:Diggings
Köppen climate type:Csb : Warm-summer Mediterranean climate


A historical alluvial gold and gemstone deposit, on the Eleanor River south of Parndana. Holes in recent alluvium intersected Tertiary sediments, the probable secondary source for the gems and gold. The primary source for the gems may be metamorphosed Cambrian rocks or pegmatites, but is uncertain.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Corundum
Formula: Al2O3
Reference: Noble, RJ & Just, J, 1983 , Catalogue of South Australian minerals : 1983, Dept. of Mines and Energy, South Australia, Adelaide.; Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide
Elbaite ?
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Brown (1908) mentioned tourmaline from this deposit, but no indication of the type, and no pegmatites are known in the area.
Reference: Ed: Myatt B., (1978), How & Where To Find Gemstones in Australia & New Zealand, Summit Books, Sydney, Australia.
Gold
Formula: Au
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316; Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide
Kyanite
Formula: Al2(SiO4)O
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316; Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide
'Monazite'
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316; Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide
Quartz
Formula: SiO2
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316; Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide
Quartz var: Amethyst ?
Formula: SiO2
Description: The description by HYL Brown (1908) mentioned "oriental amethyst" (a variety of corundum); it is uncertain if true amethyst occurs here.
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316 Brown, HYL, (1908), Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide.
Rutile
Formula: TiO2
Reference: Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide
Topaz ?
Formula: Al2(SiO4)(F,OH)2
Description: The description by HYL Brown (1908) mentioned "oriental topaz" (a variety of corundum); it is uncertain if true topaz occurs here.
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316 Brown, HYL, (1908), Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316; Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide
Zircon
Formula: Zr(SiO4)
Reference: Record of Mines-Summary Card No:22, Kingscote:I53-16/Vivonne, SI5316; Brown, HYL, 1908, Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Quartz4.DA.05SiO2
var: Amethyst ?4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Elbaite ?9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Kyanite9.AF.15Al2(SiO4)O
Topaz ?9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
Monazite-
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
AX2
Rutile4.4.1.1TiO2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz ?52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Elbaite ?61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Monazite'-
Quartz
var: Amethyst ?
-SiO2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H TopazAl2(SiO4)(F,OH)2
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O Quartz (var: Amethyst)SiO2
O CorundumAl2O3
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O KyaniteAl2(SiO4)O
O QuartzSiO2
O RutileTiO2
O TopazAl2(SiO4)(F,OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O ZirconZr(SiO4)
FFluorine
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al CorundumAl2O3
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al KyaniteAl2(SiO4)O
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si Quartz (var: Amethyst)SiO2
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si KyaniteAl2(SiO4)O
Si QuartzSiO2
Si TopazAl2(SiO4)(F,OH)2
Si ZirconZr(SiO4)
TiTitanium
Ti RutileTiO2
ZrZirconium
Zr ZirconZr(SiO4)
AuGold
Au GoldAu

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cambrian
485.4 - 541 Ma



ID: 3192924
Paleozoic sedimentary rocks

Age: Cambrian (485.4 - 541 Ma)

Comments: Adelaide Fold Belt

Lithology: Amphibolite/greenschist grade metasedimentary/metavolcanic schist

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Series 2 - Terreneuvian
509 - 541 Ma



ID: 933011
Bollaparudda Subgroup

Age: Cambrian (509 - 541 Ma)

Stratigraphic Name: Bollaparudda Subgroup

Description: Greywacke, massive to laminated, fine to coarse grained, grading up to laminated siltstone in cycles; sandstone, laminated and cross-bedded

Comments: feldspar- or lithic-rich arenite to rudite; synthesis of multiple published descriptions

Lithology: Feldspar- or lithic-rich arenite to rudite

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Brown, HYL, (1908), Record of the Mines of South Australia. 4th Ed., Govt. printer, Adelaide.
Ed: Myatt B., (1978), How & Where To Find Gemstones in Australia & New Zealand, Summit Books, Sydney, Australia.
Dallow L., (1983), Fossickers Guide to Gold, Minerals and Gemstones of South Australia, Graphinity Pty. Ltd, Victoria, Australia.


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