Merlin diamond mine, Borroloola, Roper Gulf Region, Northern Territory, Australiai
|Regional Level Types|
|Merlin diamond mine||Mine|
|Borroloola||- not defined -|
|Roper Gulf Region||Region|
|Latitude & Longitude (WGS84):||16° 51' 0'' South , 136° 20' 24'' East|
|Latitude & Longitude (decimal):||-16.85000,136.34000|
|Köppen climate type:||BSh : Hot semi-arid (steppe) climate|
Diamond mine located about 80 kilometres south of Borroloola and operated between 2000 and 2003.
"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, Australia||Craton|
|Georgina Basin, Australia||Basin|
|McArthur Basin, Australia||Basin|
Select Mineral List TypeStandard Detailed Strunz Dana Chemical Elements
Detailed Mineral List:
| ⓘ Diamond|
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 Dana 8th Edition classification
|Group 1 - NATIVE ELEMENTS AND ALLOYS|
|Semi-metals and non-metals|
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
0 - 2.588 Ma
Age: Pleistocene (0 - 2.588 Ma)
Comments: regolith; synthesis of multiple published descriptions
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). 
485.4 - 541 Ma
|Paleozoic sedimentary rocks|
Age: Cambrian (485.4 - 541 Ma)
Comments: Georgina Basin
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.