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platinum in serpentine rocks

  • Classification of Silicate Minerals

    Magnesite, chromite, and platinum are sometimes found in serpentine rock. Verde antique is serpentine mixed with more or less calcite, magnesite, or dolomite, giving it a clouded appearance. Noble serpentine is of a rich green color, and is translucent.

  • Platinum: Mineral information, data and localities.

    Palladium-Platinum Series. Note that true native platinum in the mineralogical species sense is a rather rare mineral, and most of the specimens so labelled are in fact isoferroplatinum or intimate mixtures of isoferroplatinum and tetraferroplatinum.

  • chromitite photos on Flickr | Flickr

    Platinum- and palladium-bearing pyrrhotite & chalcopyrite in the Stillwater Complex usually occur as intercumulate fills between crystals of plagioclase or pyroxene or olivine/serpentine. Occasionally, these sulfide minerals occur in a massive state.

  • CiteSeerX — OCCURRENCES OF PERIDOTITE- SERPENTINE IN …

    Gold and platinum placers and copper deposits have long been- known to.occur in the peridoti te-serpentine areas and a few investi-gations have been made on the occurrence of asbestos •. The following articles and maps have,been prepared to describe briefly and show the distribution of ultrabasic rocks in Oregon.

  • Geotripper: Fighting For California's State Rock: What's ...

    Jul 25, 2010· California's state flower, the Golden Poppy, grows on serpentine soils at Hells Hollow on Highway 49 in California's Mother Lode. Few plants can tolerate the chemical conditions in these soils, so many endemic plants grow there and nowhere else (the poppy is an obvious exception; it is classed as serpentine-tolerant plant, but grows in many environments).

  • How to find gold using rocks and minerals video

    Red rocks generally have some form of iron [Fe] in them. These are in the form of oxides, sulphides, etc. The iron also makes these rocks & minerals much denser than surrounding material. That density is a great indicator of potential high density concentrations of other heavy minerals including gold & platinum.

  • Mineral and Rock Kits - Miners Incorporated

    Miners Incorporated or minerox provides geologists, engineers, surveyors, and archaeologists worldwide with the supplies needed for field exploration, surveying, and mining.

  • Rocks & Minerals Definitions

    Rocks & Minerals O-Z. Obsidian Obsidian is volcanic glass. Oligoclase Oligoclase has the formulae ... Also found in serpentine. Rarely found in igneous rocks. Phosphates Phosphates refers to a group of minerals where phosphate ... It is a rare natural compound of platinum and arsenic. Sphalerite Sphalerite has the formulae (ZnFe)S.

  • The Serpentine Chain: A Buried Appalachian Secret by Alan ...

    SERPENTINE LEVEL PLATINUM BACKER: This is the ultimate reward! You will receive a 16" x 20" ORIGINAL Alan Shuptrine watercolor from the Serpentine Chain Collection. The best part about this reward is that it will be painted just for you on the Trail, and there will only be 4 of these offered.

  • File:Sulfidic serpentintite (platinum-palladium ore) Johns ...

    The resulting rock is serpentinite. In this sample, the blackish areas are serpentine masses (formerly large olivine crystals). Some magnetite is also mixed in with the serpentine. This ore sample grades to about 2.5 ounces of Pd-Pt per ton of rock, with a Pd-Pt ratio of about 3:1 (= highest grade platinum group metals deposit in the world).

  • Dimmu Borgir - The Serpentine Offering [HD] - YouTube

    Dec 23, 2018· Edited & Color correction with Vegas Movie Studio HD Platinum 10. Category Music; Song ... Rock Feed 2,353,665 views. ... The Serpentine Offering (OFFICIAL BEHIND THE SCENES P1) ...

  • Petrology of Metamorphosed Chromite-Bearing Ultramafic ...

    Petrology of Metamorphosed Chromite-Bearing Ultramafic Rocks from the Red Lodge District, Montana By Patricia J. Loferski Abstract The chromite deposits near Red Lodge, Mont., occur in small ultramafic lenses that are enclosed in remnants of a metasedimentary-metavolcanic sequence that in turn are sur­ rounded by Archean granitic gneiss.

  • (PDF) Platinum group elements in ultramafic rocks from the ...

    Platinum group elements in ultramafic rocks from the central-south of Chile . Rabbia O, Galdames C, ... inclusions, mostly altered to serpentine-group minerals, but also non-silicates .

  • DETERMINATION OF PLANTINUM IN ROCKS BY GRAPHITE …

    Therefore content of platinum existed in samples from serpentine rocks was clearly examined using GFAAS, and it was in the range of 0.005–0.1 ppm for a range of spiked natural rocks. Key Words: Platinum standard solution, Polystyrene-azo-thiazan-dithion-2.4, chelate complex, natural rock, graphite furnace atomic absorption spectrometry.

  • Ore Bin / Oregon Geology magazine / journal

    Gold and platinum placers and copper deposits ... lineated the mappable areas of peridotite and serpentine. Rocks of the Klamath Mountains are pre-Tertiary and range in age from the pre-Mesozoic ... Ore.-Bin, v. 10, no. 5, p. 33-38, May 1948.

  • Mineral Pictures Index - ThoughtCo

    Rock-forming minerals are among the most common (and least valuable) minerals in the world. ... Rutile—Needles of this oxide mineral occur in many rocks. Serpentine—The group of green minerals that yields asbestos. ... Platinum—Rare crystalline nuggets of the native metal.

  • Platinum-palladium-gold mineralization in the Nkenja mafic ...

    Page 1 D M Evans1*, F M Barrett2, H M Prichard3, P C Fisher3 Platinum-palladium-gold mineralization in the Nkenja mafic-ultramafic body, Ubendian metamorphic belt, Tanzania 1 Scientific Associate ...

  • Photos of Natural Platinum Ore, Platinum and Palladium ore ...

    Platinum is nearly always found in basic igneous rocks, such as peridotite and dunites, and in serpentine derived by alteration of such rocks. By disintegration of these rocks and concentration in stream gravels, platinum accumulates in placers.

  • Serpentinite - Wikipedia

    Serpentinite is a rock composed of one or more serpentine group minerals, the name originating from the similarity of the texture of the rock to that of the skin of a snake. Minerals in this group, which are rich in magnesium and water, light to dark green, greasy looking and slippery feeling, are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from ...

  • Serpentine Stone Meaning & Use: Aids Kundalini Awakening

    Serpentine stone is easy to buy, and you can place a piece of the stone in your pocket, or put one under your pillow so that you adapt to its vibration. As it is a fairly common stone, you should be able to obtain Serpentine jewelry, but if not, get yourself a piece of the stone.

  • GEOLOGY OF SELECTED MAFIC AND ULTRAMAFIC ROCKS …

    Mafic and ultramafic rocks which have been metamor­ phosed to various degrees, are relatively common throughout the Appalachian Blue Ridge and Piedmont provinces (Figure 1). In many parts of the world these rock types serve as important sources of economic minerals including platinum, chromite, serpentine, talc, asbestos, and corundum.

  • Platinum - University of Denver

    Platinum is present in the ultrabasic rocks associated with plate boundaries--serpentine, olivine and so forth. Like diamonds, platinum comes from the earth's mantle. When these rocks are weathered out, the durable, heavy platinum comes to rest at the same locations as the gold.

  • determination of the concentration of gold in rocks

    Feb 08, 2012· A developed method was designed for gold determination directly in organic medium in some sedimentary rocks (fine sandstone, carbonates), pyrite, serpentine and international standard gold sample (MA 1a) using flame atomic absorption spectroscopy (FAAS).

  • SERPENTINE- AND CARBONATE-HOSTED ASBESTOS …

    Serpentine-hosted asbestos: Chrysotile (white asbestos) forms veins in serpentinized ultramafic rocks. Protoliths include ophiolite and stratiform complexes. The veins commonly fill fractures developed in shear zones, notably near changes in rock competency, as near contacts between serpentinite bodies and igneous masses emplaced into serpentinite.

  • Platinium Group Elements and their host rocks in Tasmania ...

    Serpentine Hill-no. 7, fig. 1) revealed platinum and palladium in a medium to fine-grained association of magnetite, pyrite, pyrrhotite, pentlandite and chalcopyrite

  • Tasmania Record 1998/04 Platinum Group Elements and their ...

    ultramafic rocks. During the 1980s, studies of the various areas of ultramafic rocks in Tasmania showed that there existed a potential for ‘hard rock’ sources of IPGE’s, associated with high-magnesian, olivine-rich ultramafic rocks, as well as a potential for deposits …

  • Platinum: The mineral native Platinum information and pictures

    Native Platinum is the most significant source of the element platinum, although considerable quantities are also mined from the rare platinum arsenide mineral Sperrylite. The rare metals iridium, osmium, rhodium, and palladium are almost exclusively mined together with platinum in platinum …

  • GEOLOGY AND PLATINUM-GROUP.EIEMENT GEOCHEMISTRY …

    Field relations, petrology, and the platinum-group-element @GE) geochemistry of ultramafic and mafic rocks in the Middle Cambrian Serpentine Hill Complex indicate that it is an orthopyroxene-rich one with simil4rities to Alaskan-type complexes and is not a dismembered ophio-

  • Sulfidic serpentintite (platinum-palladium ore) (Johns-Man ...

    Aug 04, 2014· The resulting rock is serpentinite. In this sample, the blackish areas are serpentine masses (formerly large olivine crystals). Some magnetite is also mixed in with the serpentine. This ore sample grades to about 2.5 ounces of Pd-Pt per ton of rock, with a Pd-Pt ratio of about 3:1 (= highest grade platinum group metals deposit in the world).

  • Serpentine: The mineral Serpentine information and pictures

    - Name describing a small group of green Serpentine minerals rich in nickel. It is also used as definition for a rock containing nickel-rich Serpentine, associated with Talc, Chllorite, and other soft minerals.May also be used a synonym for Nepouite.