Diamond indicator mineral database (DIM) and diamond mineral chemistry database (DMC) of the Northern Territory
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Diamond indicator mineral database (DIM) and diamond mineral chemistry database (DMC) of the Northern Territory September 2003 by

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Published by Northern Territory Geological Survey in [Darwin, N.T.] .
Written in English


  • Diamond mines and mining -- Northern Territory,
  • Diamonds -- Northern Territory,
  • Mines and mineral resources -- Northern Territory

Book details:

Edition Notes

Statementcompiler: Nigel Doyle.
ContributionsDoyle, Nigel, Northern Territory Geological Survey, Northern Territory. Dept. of Business, Industry & Resource Development
The Physical Object
FormatElectronic resource
Pagination1 CD-ROM
ID Numbers
Open LibraryOL19260869M

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Raw Wyoming diamond showing excellent trigons on surface of stone. In the Leucite Hills lamproite field and other localities, several diamond-stability indicator minerals were recovered and no follow-up work ever conducted (as of ). The Wyoming Craton, based on these discoveries, is a major (unexplored) kimberlite-lamproite-lamprophyre. Diamond deposits - Queensland.; Prospecting - Queensland. Diamonds, diamond indicator minerals and a review of exploration for diamonds in Queensland / L.C. Cranfield & G. Diprose - Details - Trove. The discovery of a new source-rock indicator for diamond formation has the potential to help geologists locate and identify valuable diamond deposits around the world, a study by the University of Alberta and De Beers shows. An integrated database of Raman spectra, X-ray diffraction and chemistry data for minerals. Gemstones and Mineral. The indicator mineral for Jackson weathering stage 10 is the clay mineral kaolinite Al 4 Si 4 O 10 (OH) 8, a clay kaolinite layer consists of one silicate tetrahedral sheet and one dioctahedral sheet (cf. Figs. (top) and ), with a layer spacing of nm (Fig. ).

  A key asset being utilized in Peregrine’s search for a new Canadian diamond district is a proprietary database acquired from BHP Billiton that contains data from approximat kimberlite indicator mineral samples covering approximately three million square kilometres of Canada.”. Gold and Diamond Indicator Minerals Discovered in Wyoming's Seminoe Mountains The Bradly Peak Hilton in the Seminoe Mountains, Wyoming which I later wrote about in my Gold Book, and called it the Kortes placer in honor of my two new friends. We left Bradley Peak and drove under a power line (42°11'54"N; °52'43"W) built into an old. Several years prior to this trip, some of our diamond research at the Survey led to identification diamond-indicator mineral anomalies in this area (Hausel and others, ). Follow-up exploration by Superior Minerals Company in the s to find the source of the Cortez Creek diamonds, identified a diamond-indicator mineral trail in the Iron.   Diamond Dan Publications is a unique source for fun, colorful, interesting activity books for young mineral enthusiasts and booklets are used by teachers, museums, mineral clubs, scout groups, and youth programs. Click the picture to the left and discover the world of minerals and crystals (and fossils, too).

  3. Kimberlitic Indicator Minerals as a Tool for Diamond Exploration Mantle Minerals as Indicators of the Presence of Kimberlite. From the above discussion, it is clear that kimberlites (and certain related rock types) generally contain significant amounts of high-pressure minerals (including diamond) derived by sampling of mantle rock types. Diamond has many unequaled qualities and is very unique among minerals. It is the hardest known substance, it is the greatest conductor of heat, it has the highest melting point of any substance (° F or ° C), and it has the highest refractive index of any natural mineral. Diamond is number 10 on the Mohs scale, and is approximately 4 times harder than Corundum, which is number 9 on. chromite, and other indicator minerals with slightly different chemical signatures were determined to be present in diamond-bearing kimberlites but absent in barren kimberlites. These minerals included G10 garnets, which are lower in calcium (under 4 percent) and higher in chromium than other garnets and. Diamond indicator minerals were formed under similar conditions to diamond, but are significantly more abundant, and so more easily found in an exploration sample. The few indicator grains that may make or break a discovery are sampled in the field, concentrated in the laboratory.