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Merlin diamond mine, Borroloola, Roper Gulf Region, Northern Territory, Australiai
Regional Level Types
Merlin diamond mineMine
Borroloola- not defined -
Roper Gulf RegionRegion
Northern TerritoryTerritory
AustraliaCountry

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Latitude & Longitude (WGS84): 16° 51' 0'' South , 136° 20' 24'' East
Latitude & Longitude (decimal): -16.85000,136.34000
GeoHash:G#: rj0bnkxc8
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Diamond mine located about 80 kilometres south of Borroloola and operated between 2000 and 2003.

Note 1:
"The Merlin diamond field comprises 14 kimberlite pipes, grouped into four clusters. Twelve of the pipes, all subject to either open pit mining or testing, are located within the mineral lease MLN1154, which was granted on 15th June 1998".

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
North Australian Element, AustraliaCraton
Georgina Basin, AustraliaBasin
McArthur Basin, AustraliaBasin

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Diamond
Formula: C
Description: "Merlin diamonds are known for the brilliant white colour and large size. The largest diamond ever found in Australia, a 104.73 carat white gem quality stone, was recovered from Merlin and was valued at approximately US$525,000 in 2002". Reference: North Australian Diamonds Limited website.
Reference: http://gemexplorer.org/archives/merlin-diamond-mine-australia North Australian Diamonds Limited website.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C

List of minerals for each chemical element

CCarbon
C DiamondC

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

Quaternary
0 - 2.588 Ma



ID: 780530
colluvium 38491

Age: Pleistocene (0 - 2.588 Ma)

Description: Colluvium and/or residual deposits, sheetwash, talus, scree; boulder, gravel, sand; may include minor alluvial or sand plain deposits, local calcrete and reworked laterite

Comments: regolith; synthesis of multiple published descriptions

Lithology: Regolith

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]

Cambrian
485.4 - 541 Ma



ID: 3188333
Paleozoic sedimentary rocks

Age: Cambrian (485.4 - 541 Ma)

Comments: Georgina Basin

Lithology: Mudstone-carbonate-sandstone

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]

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
(1) North Australian Diamonds Limited website.

External Links



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