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platinum on plutonic rocks

The Bushveld Igneous Complex

2022-2-10 · A vast composite body of plutonic and volcanic rocks in the central part of the Transvaal, the Bushveld igneous complex includes the platinum reef worked by Rustenburg Platinum Mines Limited and constituting the world''s greatest …USGS Mineral Resources Program Platinum-Group …2014-7-24 · Platinum-Group Elements—So Many Excellent Properties. ... deposits are found with volcanic and plutonic rocks that form where large volumes of mafic magma ... Erosion of PGE-enriched rocks and physical concentrations of heavy mineral particles, by the action of moving water, can produce PGE-enriched placer deposits. Great Dyke .

Platinum: The mineral native Platinum information and …

Platinum is rare, with few noteworthy occurrences. Russia is the most important producer of Platinum specimens, producing fine nuggets along a north-south belt along the spine of the Ural Mountains. The districts producing the largest …(PDF) Melt Inclusions in Plutonic Rocks | Thomas Pettke ...Melt Inclusions in Plutonic Rocks. fThe cover photo shows a water-rich melt inclusion in pegmatite quartz from Ehrenfriedersdorf/Germany, re-homogenized at 600°C and 1 kbar using the cold-seal pressure vessel technique. The vessel was pressurized with CO2. The melt inclusion glass contains 25wt% H2O determined with Raman spectroscopy.

Intrusive Igneous Rocks, part 1

2020-2-17 · Plutonic Igneous Rocks. Grain size is larger than extrusive rocks. Grains are visible, usually identifiable. Volume percent abundance is an important means of rock classification. Total lack of glass - slow cooling allows matter to achieve the lowest energy state, which is as crystalline matterWestern Platinum (MRDS #10079224) PGEwestern platinum limited (lonrho limited) does not publish ore values annually. of the approximate value given above for the platinum group metals, however, platinum averages about 0.060 toz/ton, palladium 0.026 toz/ton, and others about 0.017 toz/ton. nickel averages approximately 1.3 percent. first full year of production: 1971 .

USGS Mineral Resources Program Platinum-Group …

2014-7-24 · Platinum-Group Elements—So Many Excellent Properties. ... deposits are found with volcanic and plutonic rocks that form where large volumes of mafic magma ... Erosion of PGE-enriched rocks and physical concentrations of heavy mineral particles, by the action of moving water, can produce PGE-enriched placer deposits. Great Dyke .The Bushveld Igneous Complex - Johnson Matthey …2022-2-10 · A vast composite body of plutonic and volcanic rocks in the central part of the Transvaal, the Bushveld igneous complex includes the platinum reef worked by Rustenburg Platinum Mines Limited and constituting the world''s greatest …

MAGMATIC ANHYDRITE IN PLUTONIC ROCKS AT THE ...

These unusual anhydrite-bearing plutonic rocks, which contain up to > 3 wt percent S and > 0.5 wt percent Cu, are isotopically similar to all other igneous rocks related to the deposit. These rocks formed during a late Miocene period of regional compressive ...What is a Plutonic Igneous Rock? - Geology Page2018-10-26 · October 26, 2018. Representative Image: Igneous intrusion. In geology, a pluton is a body of intrusive igneous rock (called a plutonic rock) that is crystallized from magma slowly cooling below the surface of the Earth. Plutons …

platinum on plutonic rocks « BINQ Mining

Gold in Granite & Plutonic RocksPlatinum, palladium, and rhodium in volcanic and plutonic ...The Gravina-Nutzotin belt of Middle (?) Jurassic to middle Cretaceous sedimentary and volcanic rocks in south and southeastern Alaska includes concentrically zoned ultramafic complexes known to contain platinum-group metals. Previous isotopic, petrologic, and geologic studies suggested a close relation in time and space between the volcanic rocks and the ultramafic …

Platinum, palladium, and rhodium in volcanic and plutonic ...

The Gravina-Nutzotin belt of Middle (?) Jurassic to middle Cretaceous sedimentary and volcanic rocks in south and southeastern Alaska includes concentrically zoned ultramafic complexes known to contain platinum-group metals. Previous isotopic, petrologic, and geologic studies suggested a close relation in time and space between the volcanic rocks and the ultramafic …Geological Models of Platinum Group Elements (PGE ...2017-11-22 · asedimentary and meta-plutonic rocks intensively reworked and dismembered in the Pan-African belt north of the Congo craton (Pénaye et al., 2004). The Nyong Series (coined as Nyong Group, e.g. Lerouge et al., 2006; Owona et al., 2011; Owona et al., 2013) in the northwestern corner of the Congo

Platinum-group minerals in various rock types of the ...

Local deep-seated volatiles, perhaps associated with floor-rock upwarpings, are responsible for potholes of the Brakspruit type.Pothole and dunite platinum-group mineral characteristics are locally superimposed on the Merensky reef platinum-group minerals, which are in the first place characterized by footwall type and perhaps regionally by ...Distribution of Gold Ill Igneous Rocks - USGS2011-11-10 · Distribution of Gold Ill • Igneous Rocks By DAVID GOTTFRIED, JACK ].ROWE, and ROBERT I. TILLING GEOLOGICAL SURVEY PROFESSIONAL PAPER 727 An investigation of the abundance and distribution of gold in plutonic and volcanic rocks of diverse magma types and tectonic settings UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 1972

Platinum: The mineral native Platinum information and …

Platinum is rare, with few noteworthy occurrences. Russia is the most important producer of Platinum specimens, producing fine nuggets along a north-south belt along the spine of the Ural Mountains. The districts producing the largest …Types of Rocks - Igneous | Sedimentary Rocks - BYJUS2  · Igneous rock may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks. This magma can be derived from partial melts of existing rocks in either a …

Platinum-group minerals in various rock types of the ...

Local deep-seated volatiles, perhaps associated with floor-rock upwarpings, are responsible for potholes of the Brakspruit type.Pothole and dunite platinum-group mineral characteristics are locally superimposed on the Merensky reef platinum-group minerals, which are in the first place characterized by footwall type and perhaps regionally by ...Gold in Granite & Plutonic Rocks2017-1-20 · The pyrite contains the gold. In the gold-bearing region of Northern Sonora, Mexico, the gold-veins are chiefly in or closely associated with granitic and plutonic rocks. The veins of El Grupo concession, about 100 miles southeast of Tucson, Arizona, traverse a fine-grained granite, and hear both gold and silver.

WORKSHOP ON THE APPLICABILITY OF GOLD AND …

2016-5-18 · OF GOLD AND PLATINUM-GROUP-ELEMENT MODELS IN MINNESOTA UNIVERSITY OF MINNESOTA Saint Paul 1989 ... DISTRIBUTION OF PLATINUM GROUP ELEMENTS IN ANORTHOSITIC ROCKS OF THE ... the drill reveals a varied geology that includes volcanic and plutonic as well as sedimentary 1 . 2 MANITOBA 96° SUPERIOR t- t-V …Platinum group elements geochemistry of ultramafic and ...2013-2-13 · The platinum group element (PGE: Ru, Rh, Pd, Os, Ir, Pt) abundances in crustal rocks that have formed from silicate melts and magmatic volatile phases, are widely studied to identify the fundamental geochemical controls of their formation and distribution in Earth''s crust and to understand the characteristics of primary mantle-derived magmatic processes …

MAGMATIC ANHYDRITE IN PLUTONIC ROCKS AT THE ...

These unusual anhydrite-bearing plutonic rocks, which contain up to > 3 wt percent S and > 0.5 wt percent Cu, are isotopically similar to all other igneous rocks related to the deposit. These rocks formed during a late Miocene period of regional compressive ...Genesis of platinum-bearing ultrabasic massifs in the ...Platinum-bearing ultramafic massifs occur as bodies of concentrically zonal inner structures due to the successive replacement of dunite with pyroxenite and gabbro from their cores to margins. A most important peculiarity of such massifs is their dunite cores, to which commercial Pt deposits are related. There are a different opinions about genesis of these massifs and geological, …

CHROMITE–PLATINUM-GROUP ELEMENT MAGMATIC …

2020-8-18 · UNESCO – EOLSS SAMPLE CHAPTERS GEOLOGY – Vol. IV – Chromite-Platinum-Group Element Magmatic Deposits - Giorgio Garuti ©Encyclopedia of Life Support Systems (EOLSS) electroplanting, and pharmaceutics. About 7% of chromite ore production goes to the refractory industry.Types of Rocks - Igneous | Sedimentary Rocks - BYJUS2  · Igneous rock may form with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks. This magma can be derived from partial melts of existing rocks in either a …

Parental Magmas to the Alaskan-Type Platinum-Bearing ...

Alaskan-type platinum-bearing plutons and potassium-enriched mafic to ultramafic volcanic rocks are temporally and spatially associated within the Late Cretaceous-Paleocene Achaivayam-Valaginskii intraoceanic paleo-arc terrain, allochthonously present in the Koryak Highland and Kamchatka Peninsula (Far East Russia). The compositions of magmas parental to the Alaskan …Axim Fort (MRDS #10038681)Platinum: Tertiary: Comments on the commodity information. ANALYSIS ON A SAMPLE OF METAMORPHOSED GABBRO; Materials information ... 0.01 OZ/TON: Host and associated rocks. Host or associated: Associated: Rock type: Plutonic Rock > Mafic Intrusive Rock > Gabbro: Host or associated: Host: Rock type: Plutonic Rock > Mafic Intrusive Rock > Gabbro ...

Platinum group elements geochemistry of ultramafic and ...

2013-2-13 · The platinum group element (PGE: Ru, Rh, Pd, Os, Ir, Pt) abundances in crustal rocks that have formed from silicate melts and magmatic volatile phases, are widely studied to identify the fundamental geochemical controls of their formation and distribution in Earth''s crust and to understand the characteristics of primary mantle-derived magmatic processes …Platinum group elements geochemistry of ultramafic and ...2019-4-9 · Platinum group elements geochemistry of ultramafic and associated rocks from Pindar in Madawara Igneous Complex, Bundelkhand massif, central India V Balaram1,∗, SPSingh2, M Satyanarayanan1 and K V Anjaiah1 1National Geophysical Research Institute (Council of Scientific and Industrial Research), Uppal Road, Hyderabad 500 007, India.

Characteristics, uses, origin and types of plutonic rocks ...

2022-2-1 · Another type of plutonic rock. It is gray to green in color. Its appearance is granular. It has a low cost if we compare it with other rocks and minerals such as chromium, platinum or nickel. However, gabbro is widely used for ornamental dawns in gardening. Greenstone. The deposits of this type of rock are found in areas that are occupied by ...Textures of plutonic rocks - courses.washington 2012-1-2 · Textures of plutonic rocks: Refer to the lab handout on volcanic rocks because many of the same terms apply to plutonic rocks, e.g., crystallinity, grain size, crystal form, shapes and habits. The following textural terms are commonly used for plutonic rocks. These terms are used to

Geological Models of Platinum Group Elements (PGE ...

2017-11-22 · asedimentary and meta-plutonic rocks intensively reworked and dismembered in the Pan-African belt north of the Congo craton (Pénaye et al., 2004). The Nyong Series (coined as Nyong Group, e.g. Lerouge et al., 2006; Owona et al., 2011; Owona et al., 2013) in the northwestern corner of the CongoThe Bushveld Igneous Complex - Johnson MattheyTHE GEOLOGY OF SOUTH AFRICA''S PLATINUM RESOURCES By C. A. Cousins, MSC. Johannesburg Consolidated Investment Company Limited A vast composite body of plutonic and volcanic rock in the central part of the Transvaal, Bushveld igneous complex includes platinum reef worked by Rustenburg Platinum Mines Limited and constituting ...

(PDF) Melt Inclusions in Plutonic Rocks | Thomas Pettke ...

Melt Inclusions in Plutonic Rocks. fThe cover photo shows a water-rich melt inclusion in pegmatite quartz from Ehrenfriedersdorf/Germany, re-homogenized at 600°C and 1 kbar using the cold-seal pressure vessel technique. The vessel was pressurized with CO2. The melt inclusion glass contains 25wt% H2O determined with Raman spectroscopy ROMITE–PLATINUM-GROUP ELEMENT MAGMATIC …2020-8-18 · UNESCO – EOLSS SAMPLE CHAPTERS GEOLOGY – Vol. IV – Chromite-Platinum-Group Element Magmatic Deposits - Giorgio Garuti ©Encyclopedia of Life Support Systems (EOLSS) electroplanting, and pharmaceutics. About 7% of chromite ore production goes to the refractory industry.

Genesis of platinum-bearing ultrabasic massifs in the ...

Platinum-bearing ultramafic massifs occur as bodies of concentrically zonal inner structures due to the successive replacement of dunite with pyroxenite and gabbro from their cores to margins. A most important peculiarity of such massifs is their dunite cores, to which commercial Pt deposits are related. There are a different opinions about genesis of these massifs and geological, …Rhenium^Osmium Isotope and Platinum-Group Element ...2019-4-10 · Platinum-group element (PGE: Os, Ir, Ru, Pt, Pd) and Re^Os isotope systematics determined for the entire preserved stratigraphy of the 127 Ga Muskox intrusion provide an exceptional view of magma chamber processes and mineralization in the main plutonic system of the Mackenzie large igneous province (LIP).We present

WORKSHOP ON THE APPLICABILITY OF GOLD AND …

2016-5-18 · OF GOLD AND PLATINUM-GROUP-ELEMENT MODELS IN MINNESOTA UNIVERSITY OF MINNESOTA Saint Paul 1989 ... DISTRIBUTION OF PLATINUM GROUP ELEMENTS IN ANORTHOSITIC ROCKS OF THE ... the drill reveals a varied geology that includes volcanic and plutonic as well as sedimentary 1 . 2 MANITOBA 96° SUPERIOR t- t-V …Evaluation of Platinum Group Elements (PGE) Potentials …(INAA) in these rocks are iridium (Ir, <1 to 7 ppb), palladium (Pd, 3 to 5 ppb) and platinum (Pt, <3 to 8 ppb). The effect of alteration of the rocks has resulted in the low PGE concentration due ...

platinum on plutonic rocks « BINQ Mining

Plutonic ultramafic rocks of the greenstone belt Rio das Velhas in the central ….. with special reference to the concentration of nickel sulfides and platinum-group … » More detailed Platinum -group elements in the UGl and UG2 chromitites, and the …Geology, Mineral Chemistry, Thermobarometry, …2017-1-20 · plutonic rocks have Mesoarchean ages. The old domain includes the 2.9 to 3.0 Ga greenstone belts at Finlayson and Lumby Lakes and the 3.0 Ga Marmion batholith (Davis and Jackson, 1988), and is intruded by younger plutonic rocks represented by the 2.69 Ga White Otter Batholith (D. Davis, personnal communications, 1993).

Geological Models of Platinum Group Elements (PGE ...

2017-11-22 · asedimentary and meta-plutonic rocks intensively reworked and dismembered in the Pan-African belt north of the Congo craton (Pénaye et al., 2004). The Nyong Series (coined as Nyong Group, e.g. Lerouge et al., 2006; Owona et al., 2011; Owona et al., 2013) in the northwestern corner of the CongoExamples of Plutonic Rocks - Mineral Processing & …2016-10-4 · Dunite, or olivine-rock, is composed of olivine, with very little of other minerals. Usually light green. It is the principal platinum-bearing rock in the Ural Mts., Russia. Kimberlite or blue ground. Kimberlite or blue ground is composed of olivine and biotite. It is a soft rock, much weathered: characteristic of the South African diamond mines.

EL CAPITAN PRECIOUS METALS, INC. REPORT ON EL …

2017-2-15 · Porphyry copper deposits occur within or in roof rocks above felsic plutons. The two major plutonic rock categories based on chemical composition are alkaline, and calc-alkaline (a sub-division ofsubalkaline). The alkaline-subalkaline divisions are based on relative amounts of Kl0 + Na2) and Si02 as shown in Figure I, below, from Philpotts (1990).Plutonic Gold Mine - Mining TechnologyPlutonic Gold Mine is situated 180km north-east of Meekatharra in the state of Western Australia. The mine is owned and operated by Canadian gold mining and exploration company Barrick Gold Corporation. Barrick Gold is the …

CHROMITE–PLATINUM-GROUP ELEMENT MAGMATIC …

2020-8-18 · UNESCO – EOLSS SAMPLE CHAPTERS GEOLOGY – Vol. IV – Chromite-Platinum-Group Element Magmatic Deposits - Giorgio Garuti ©Encyclopedia of Life Support Systems (EOLSS) electroplanting, and pharmaceutics. About 7% of chromite ore production goes to the refractory industry.U–Pb geochronology of Permian plutonic rocks, …2018-6-7 · ceous), 10,200 km2 composite, regional arc-root plutonic complex that represents the locus of mostly Mesozoic subduc-tion-related magmatism. The eastern Median Batholith is composed of mainly Middle Triassic to Early Cretaceous (c. 230–125 Ma; Darran Suite) subduction-related I-type plutonic rocks (e.g. Kimbrough