Telluride mineralization at Ashanti gold mine Ghana RRuff

Pod of telluride mineralization top right and adjoining sketch in a hangingwall quartz vein adjacent to the main Obuasi orebody GCS section 12 5 level crosscut 286 Shaft of hammer is 30 cm long growths with coarse gold grains up to 5 mm in size Telluride mineralization The telluride minerals accompanied by a con Pod of telluride mineralization top right and adjoining sketch in a hangingwall quartz vein adjacent to the main Obuasi orebody GCS section 12 5 level crosscut 286 Shaft of hammer is 30 cm long growths with coarse gold grains up to 5 mm in size Telluride mineralization The telluride minerals accompanied by a con

Mineral Classics Colorado Minerals

Calcite on Quartz Locality Argentine Vein Idarado Mine Telluride San Miguel County Colorado Specimen Size 8 1 x 7 3 x 6 2 cm small cabinet A most unusual Calcite specimen from the Idarado that clashes with the typical feathery Manganoan Calcites that we are used to seeing from this mine Small groups of what I Calcite on Quartz Locality Argentine Vein Idarado Mine Telluride San Miguel County Colorado Specimen Size 8 1 x 7 3 x 6 2 cm small cabinet A most unusual Calcite specimen from the Idarado that clashes with the typical feathery Manganoan Calcites that we are used to seeing from this mine Small groups of what I

71 3 grams GOLD SILVER Telluride Ore Mineral Display Specimen

71 3 grams GOLD SILVER Telluride Ore Mineral Display Specimen in Quartz RARE 71 3 grams GOLD SILVER Telluride Ore Mineral Display Specimen in Quartz RARE

AUAGTE VEIN DEPOSITS MODEL 22b Cox and Bagby 1986 by

Deposits consist of native gold and or goldsilver telluride minerals in highgrade quartz veins and or lowgrade near surface disseminated native gold and pyrite with or without telluride minerals in permeable host rocks Porphyritic alkaline igneous rocks many of which display explosivemagmatic features diatremes Deposits consist of native gold and or goldsilver telluride minerals in highgrade quartz veins and or lowgrade near surface disseminated native gold and pyrite with or without telluride minerals in permeable host rocks Porphyritic alkaline igneous rocks many of which display explosivemagmatic features diatremes

Photos of gold ores quartz telluride gold ore and gold specimens

rich gold Quartz ore Most gold contained in quartz veins is in tiny particles that are not always easy to see in the rock This ore shows considerable bright and visible metallic gold disbursed through the quartz vein gold ore rich gold Quartz ore Most gold contained in quartz veins is in tiny particles that are not always easy to see in the rock This ore shows considerable bright and visible metallic gold disbursed through the quartz vein gold ore

How to Recognize Hard Rock Gold Ores ICMJs Prospecting and

Goldquartz deposits sometimes form in this type of environment where each seam in the system may contain a thin but sometimes goldrich veinlet of quartz In these Sometimes the best ore is associated with a gangue mineral like fluorite while in others the best values are tied to deposits of telluride minerals Learning Goldquartz deposits sometimes form in this type of environment where each seam in the system may contain a thin but sometimes goldrich veinlet of quartz In these Sometimes the best ore is associated with a gangue mineral like fluorite while in others the best values are tied to deposits of telluride minerals Learning

Krennerite Wikipedia

Krennerite is an orthorhombic gold telluride mineral which can contain variable amounts of silver in the structure The formula is AuTe2 varying to Au0 8 Ag0 2 Te2 Both of the chemically similar goldsilver tellurides calaverite and sylvanite are in the monoclinic crystal system whereas krennerite is orthorhombic The color Krennerite is an orthorhombic gold telluride mineral which can contain variable amounts of silver in the structure The formula is AuTe2 varying to Au0 8 Ag0 2 Te2 Both of the chemically similar goldsilver tellurides calaverite and sylvanite are in the monoclinic crystal system whereas krennerite is orthorhombic The color

319 grams GOLD SILVER Telluride Ore Mineral Display Specimen

319 grams GOLD SILVER Telluride Ore Mineral Display Specimen in Quartz RARE Ore from Trinity California This Gold and Silver Ore is AAA rated with a rich vein of Gold You will alway Gold Nugget in Alaska This very large nugget gold specimen contains significant quartz and is from Alaska It 39s rounded shape 319 grams GOLD SILVER Telluride Ore Mineral Display Specimen in Quartz RARE Ore from Trinity California This Gold and Silver Ore is AAA rated with a rich vein of Gold You will alway Gold Nugget in Alaska This very large nugget gold specimen contains significant quartz and is from Alaska It 39s rounded shape

Geology and Mineral Deposits of the Area South of Telluride Colorado

Quartzfeldspar porphyry occurs as one or more poorly exposed but fairly large bodies and small plugs in the valley of How ard Fork east of the diorite masses Breccia pipes are associated with some of the small plugs Many dikes a few feet to several tens of feet wide are present in the South Telluride area They are most Quartzfeldspar porphyry occurs as one or more poorly exposed but fairly large bodies and small plugs in the valley of How ard Fork east of the diorite masses Breccia pipes are associated with some of the small plugs Many dikes a few feet to several tens of feet wide are present in the South Telluride area They are most

A new indior mineral methodology based on a generic BiPbTe

https doi 10 1007 s0012601707820 contains supplementary material which is available to authorized users quartz vein system oriented parallel to the Big Creek fault 2 AuAgPbSbenriched polymetallic the placer sample contains Agtelluride inclusions which were not observed in the hypogene ore https doi 10 1007 s0012601707820 contains supplementary material which is available to authorized users quartz vein system oriented parallel to the Big Creek fault 2 AuAgPbSbenriched polymetallic the placer sample contains Agtelluride inclusions which were not observed in the hypogene ore

Gold in Its Raw Form Photos of gold ores quartz telluride gold ore

Gold in Its Raw Form Photos of gold ores quartz telluride gold ore and gold specimens Gold in Its Raw Form Photos of gold ores quartz telluride gold ore and gold specimens

new occurrences of tellurides and argyrodite in rosia montan RRuff

Hydrothermal quartz crystals zoned in cases with calcite and rhodochrositerich inclusions are abundant in the Cârnicel vein Rhodonite was locally observed among gangue minerals whereas clay minerals mainly illite are more frequent in the oremineral deposition sequences The host rock of the second telluride Hydrothermal quartz crystals zoned in cases with calcite and rhodochrositerich inclusions are abundant in the Cârnicel vein Rhodonite was locally observed among gangue minerals whereas clay minerals mainly illite are more frequent in the oremineral deposition sequences The host rock of the second telluride

Understanding gold silver telluride selenide mineral deposits

Tellurideenrichment is however observed in a far wider range of deposit types e g Aurich VMS deposits porphyry Au Cu and Au skarns In at least some of these a proportion of the gold occurs a carbonatequartz vein Cal with precious metal tellurides Pagoni Rachi Kirki telescoped porphyryepithermal Tellurideenrichment is however observed in a far wider range of deposit types e g Aurich VMS deposits porphyry Au Cu and Au skarns In at least some of these a proportion of the gold occurs a carbonatequartz vein Cal with precious metal tellurides Pagoni Rachi Kirki telescoped porphyryepithermal

Auriferous Deposits 911 Metallurgist

Mar 17 2017 Other gold minerals include alloys with tellurium selenium bismuth mercury copper iron rhodium and platinum There are no This kind of ores are found in placers quartz vein gold ores oxidized ores silverrich ores copper sulphide ores and some iron sulphide and arsenic sulphide ores An aspect Mar 17 2017 Other gold minerals include alloys with tellurium selenium bismuth mercury copper iron rhodium and platinum There are no This kind of ores are found in placers quartz vein gold ores oxidized ores silverrich ores copper sulphide ores and some iron sulphide and arsenic sulphide ores An aspect

The geochemistry and mineralogy of the Gies goldsilver telluride

More specifically a mineralogical study of vein and associated altered rocks reflected and transmitted light microscope and electron microprobe was done to identify complex minerals and mineral assemblages and to establish their paragenetic sequence a fluid inclusion study of quartz associated with mineralization was More specifically a mineralogical study of vein and associated altered rocks reflected and transmitted light microscope and electron microprobe was done to identify complex minerals and mineral assemblages and to establish their paragenetic sequence a fluid inclusion study of quartz associated with mineralization was