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Koroit opal field, Paroo Shire, Queensland, Australiai
Regional Level Types
Koroit opal field- not defined -
Paroo ShireShire
QueenslandState
AustraliaCountry

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Latitude & Longitude (WGS84):
27° 54' 58'' South , 144° 49' 23'' East
Latitude & Longitude (decimal):


Koroit opal field.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
Eromanga Basin, AustraliaBasin
Thomson Orogen, AustraliaOrogen

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
var: Boulder Opal4.DA.10SiO2 · nH2O
var: Opal Matrix4.DA.10SiO2 · nH2O
var: Precious Opal4.DA.10SiO2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
var: Boulder Opal-SiO2 · nH2O
var: Opal Matrix-SiO2 · nH2O
var: Precious Opal-SiO2 · nH2O

List of minerals for each chemical element

HHydrogen
H Opal (var: Boulder Opal)SiO2 · nH2O
H OpalSiO2 · nH2O
H Opal (var: Precious Opal)SiO2 · nH2O
OOxygen
O Opal (var: Boulder Opal)SiO2 · nH2O
O OpalSiO2 · nH2O
O Opal (var: Precious Opal)SiO2 · nH2O
SiSilicon
Si Opal (var: Boulder Opal)SiO2 · nH2O
Si OpalSiO2 · nH2O
Si Opal (var: Precious Opal)SiO2 · nH2O

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

Cretaceous
66 - 145 Ma



ID: 3192420
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Sandstone,shale,limestone,siltstone

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]

Albian - Barremian
100.5 - 129.4 Ma



ID: 905536
Wallumbilla Formation

Age: Early Cretaceous (100.5 - 129.4 Ma)

Stratigraphic Name: Wallumbilla Formation

Description: Mudstone and siltstone with calcareous concretions.

Comments: argillaceous detrital sediment; sedimentary carbonate; synthesis of multiple published descriptions

Lithology: Argillaceous detrital sediment; sedimentary carbonate

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


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