gold and platinum prices in banded magnetite quartz

MINFILE Mineral Inventory

The 1986 drilling in the quartz-altered talc schist shear intersected magnetite, chalcopyrite, pyrrhotite and arsenopyrite with lesser pyrite associated with quartz. Two samples from the percussion drilling averaged 9.33 grams per tonne gold and 13.71 grams per tonne silver (Assessment Report 16342).

i MINNOVAinc

2017-1-17 · enrichment within a banded and/or brecciated quartz-chlorite-carbonate schist. The most significant intersection to date consists of 0.211 oz/t Au over 15 feet in a 1990 drill hole. The object of the 1991 drill program was to test the depth and strike extension of the known gold bearing zone at a vertical depth greater than 500 ft.

Tulameen River – BC Gold Adventures

Measured geological reserves on the Ruby lease, 6 kilometres below Coalmont, are 268,000 cubic metres grading 1.38 grams of gold equivalent per cubic metre for combined gold and platinum. Bulk sampling in the immediate vicinity produced 77.8 grams of coarse gold from 15.3 cubic metres of gravel. High platinum prices during the mid to late-1920 ...

Minerals of Zimbabwe | Ministry of Mines and Mining ...

ECONOMIC MINERALSGOLD Gold mining and exploration in Zimbabwe has been going on from ancient times and it is estimated that a third (about 700 tonnes) of all historical gold production was mined locally from the seventh century until the introduction of mechanized mining methods with the arrival of Europeans about a century ago. There are over 4000 recorded god deposits, …

Where are Gold Deposits in Canada

2016-10-5 · Still, the gold mines of the Longlac area are in a banded iron formation that has been much folded and shattered, the gold being in veinlets of secondary quartz. Copper pyrites is next in importance as a mineralization; and, as it is of …

Tartoq | AEX Gold Inc.

At Nuuluk gold is hosted in quartz-ankerite veins hosted within mainly magnetite- and graphite schists. Four parallel tabular zones have been identified forming the "Nuuluk Linear Belt", a 350 to 400 metre wide and 4 to 5 kilometre long NNE-trending, moderately (40 – 60 degrees) WNW-dipping hydrothermally altered zone (divided into the ...

4.4. Metallogenic Provinces

2006-3-17 · magnetite-bearing quartzite, the quartz-feldspar dominant clastics turned into magnetite-bearing leptynite, and the mafic clastics turned into magnetite-bearing amphibolite. The reason why magnetite grain is coarse might be that the iron oxide clastics supplied from the banded iron formation were of conglomerate size.

Pelletization of hematite and synthesized magnetite ...

2021-9-4 · These banded ores contain iron bands of hematite or magnetite associated with quartz or jasper as the silica bands. Banded hematite quartzite (BHQ) ore, a significant contributor to India''s BIF resources, assays around 30–40% Fe, 40–50% SiO 2, and 0.5–2.5% Al 2 O 3. It has hematite as the iron phase mineral with quartz, whereas the ...

Archaean lode gold mineralisation in banded iron …

2006-7-12 · The Kalahari Goldridge Mine is located within the Archaean Kraaipan Greenstone Belt, about 60 km southwest of Mafikeng in the North West Province, South Africa. The ore body thickness varies from 15 to 45 m along a strike length of about 1.5 km within approximately N–S striking banded …

(PDF) Gold, silver and platinum group of elements ...

2013-10-10 · Gold, silver and platinum group of elements mineralization in Precambrian uraniferous quartz-pebble conglomerates of Mankarhachua area, Angul District, Odisha October 2013 Current Science 105(7 ...

Descriptive model of Homestake Au

DESCRIPTIVE MODEL OF HOMESTAKE Au. By Byron R. Berger. Model 36b. APPROXIMATE SYNONYMS Volcanogenic gold, iron-formation hosted Au, Archean lode gold.. DESCRIPTION Stratabound to stratiform gold deposits in iron-rich chemical sediments in Archean metavolcanic terrane.. Rock Types Regionally metamorphosed mafic and felsic metavolcanic rocks, …

Distribution of Gold Ill Igneous Rocks

2011-11-10 · 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

Prospecting for Gold, Platinum and other precious metals

2021-8-2 · I started a gold rush in the Seminoe Mountains in that same year. Historically, the Seminoes were prospected in the 1800s but many prospectors lost their scalps. When I visited the greenstone belt in 1982, I recovered rocks with anomalous gold in quartz, altered greenstones, and in altered banded iron formation.

Disseminated to Semi-massive Sulphides intersected in ...

2017-11-28 · 1 29/11/2017 . Disseminated to Semi-massive Sulphides intersected in drill holes testing KB04 and KB05 EM anomalies. Highlights • Laconia''s maiden drill program on the Kraaipan Project is proceeding according to plan • Drill holes planned to test the KB04 and KB05 EM anom aly exploration targets have intersected sulphides from disseminated to semi- …

Natural Gold And Quartz Mineral Specimens For Sale.

Gold And Quartz Specimens. This page is dedicated to the gold that''s still attached to quartz, or a host rock. This type of gold is highly desired in the mineral collecting community. Gold/Quartz specimens are in a completely different league of their own. Remember the specific gravity of quartz is 2.65 times heavier than water, whereas pure ...

GOLD OF ELDORADO | eBay Stores

gold quartz slabs/gold quartz cabochon/gold quartz specimens/natural gold nuggets/gold nugget jewelry/eldorado gene''s magnetite jewelry (bracelets, anklets & necklaces)

gold and platinum prices in banded magnetite quartz

gold and platinum prices in banded magnetite quartz. ... Welcome to the Smaulgld gold and platinum information page where you can check the price of gold and platinum per ounce and the gold platinum ratio The platinum vs gold price is an important indicator of the relative values of both precious metals The gold and platinum price,...

Geochemical characteristics of gold bearing boninites and ...

Quartz veins present in the Kudrekonda boninites contain gold grains showing affinity towards quartz-carbonate vein type greenstone hosted occurrences. EPMA data record 88.5–90.3 wt.% Au content with 7.7–8.4 wt.% Fe, 0.05–2.1 wt.% S and negligible Ag. The Au is …

Is there any case that gold is hosted by magnetite directly?

2002-1-1 · Therefore, gold hosted by magnetite indicates a totally different tansport machanism in the system. In the IOCG deposits, Au probably can be deposited along with magnetite. for example in the iron ...

Gold

2021-8-19 · Native gold generally contains impurities such as silver (Ag), copper (Cu) and iron (Fe) with traces of bismuth (Bi), lead (Pb), zinc (Zn), antimony (Sb), tellurium (Te), mercury (Hg), tin (Sn) and platinum (Pt) The purity or fineness of gold …

California Gold vein formation, Rich gold quartz ore

2012-4-15 · Rich Gold Bearing Quartz from the Mother Lode of California. The great Mother Lode vein system is the largest group of veins in California. It extends 112 miles in a general northwest direction. Beginning in Mariposa County, in the south, it crosses Tuolumne, Calaveras, Amador, and El Dorado counties in succession.

Gold–palladium mineralization at Bleïda Far West, Bou ...

2006-8-1 · The structurally controlled Au–Pd mineralization at Bleïda Far West occurs in a volcano-sedimentary rock sequence in altered amphibolites and chlorite schists of the Neoproterozoic Bou Azzer–El Graara inlier. The Au–Pd mineralization is virtually sulfide-free; instead, gold is associated with hematite, barite, quartz, and calcite. The gold grains are silver- …

Wyoming State Geological Survey

Welcome to the Wyoming State Geological Survey. Gold in Wyoming. Gold, the intrinsically valuable "royal metal," derives its value from the combination of its rarity and beauty along with its softness (2.5 to 3 on the mohs hardness scale), …

Banded Iron Formation Gold Deposits Offering Exploration ...

2019-9-26 · Banded iron formation-hosted gold deposits have the potential to become large-tonnage mines with extended mining lives. Due to the appeal of these deposits, gold exploration companies are ...