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Clay Minerals Alteration amp Terry 39s pHTemperature Table smedg

kaoliniterich vuggy mineralised quartz unaltered quartz latite smectitechlorite zone illite kaolinite zone quartz alunite zone adapted from Steven amp Ratte 1960 in Hayba et al 1985 High Sulphidation Alteration Summitville Strong clay alteration of primary KFs Local disseminated pink secondary KFs s d 89 3 83 8 kaoliniterich vuggy mineralised quartz unaltered quartz latite smectitechlorite zone illite kaolinite zone quartz alunite zone adapted from Steven amp Ratte 1960 in Hayba et al 1985 High Sulphidation Alteration Summitville Strong clay alteration of primary KFs Local disseminated pink secondary KFs s d 89 3 83 8

Evidence for the Supergene Origin of Alunite in Geokniga

origins have been proposed for alunite in sedimenthosted micron gold deposits If alunite is indeed primary its presence provides important constraints on the chemistry of the ore fluid Thus determination of the genesis of alunite is critical to the understanding of the geologic history of these ore deposits At the Post deposit origins have been proposed for alunite in sedimenthosted micron gold deposits If alunite is indeed primary its presence provides important constraints on the chemistry of the ore fluid Thus determination of the genesis of alunite is critical to the understanding of the geologic history of these ore deposits At the Post deposit

Comparison of ASTER and AVIRISDerived Mineral and Vegetation

standard shortwaveinfrared mineral mapping the ASTER data 30meter pixel size are also capable of delineating most primary deposit features and zoning but the clayfree central alunite zone 30–32 meters wide cannot be discriminated from the surround ing alunite kaolinite transition zone because of areal mixing standard shortwaveinfrared mineral mapping the ASTER data 30meter pixel size are also capable of delineating most primary deposit features and zoning but the clayfree central alunite zone 30–32 meters wide cannot be discriminated from the surround ing alunite kaolinite transition zone because of areal mixing

Alunite Group Alunite Group mineral information and data

A subgroup of the Alunite Supergroup The most common member is jarosite See also the Plumbogummite Group and Beudantite Group A subgroup of the Alunite Supergroup The most common member is jarosite See also the Plumbogummite Group and Beudantite Group

alunite about us page

Our primary goal is to ensure maximum growth of the Alunite Group which will enable our Franchisees to optimise margins and enjoy an associted pricing edge over standalone competitors To strengthen our branding to an internationally recognised and name To be the largest group of independants in the Our primary goal is to ensure maximum growth of the Alunite Group which will enable our Franchisees to optimise margins and enjoy an associted pricing edge over standalone competitors To strengthen our branding to an internationally recognised and name To be the largest group of independants in the

Alunite processing method selection using the AHP and TOPSIS

Almost all alunite processing methods obey these 13 methods except in operational details Concerning alunite processing methods the most appropriate criteria can be egorized into 3 main groups technical economic and environmental criteria with some sub criteria in each group see Table 1 In Fig 3 the relation Almost all alunite processing methods obey these 13 methods except in operational details Concerning alunite processing methods the most appropriate criteria can be egorized into 3 main groups technical economic and environmental criteria with some sub criteria in each group see Table 1 In Fig 3 the relation

alunite an overview ScienceDirect Topics

The mineral assemblages produced are chlorite ± illite epidote remains of primary silies → illite or smectite remains of primary silies → alunite chalcedony ± kaolinite ± pyrophyllite → chalcedony ± quartz respectively The ore is mainly hosted by the vuggy silica rock and in a number of cases also by the The mineral assemblages produced are chlorite ± illite epidote remains of primary silies → illite or smectite remains of primary silies → alunite chalcedony ± kaolinite ± pyrophyllite → chalcedony ± quartz respectively The ore is mainly hosted by the vuggy silica rock and in a number of cases also by the

Alunite Alunite mineral information and data Mindat

Common member of the alunite supergroup The Al analogue of jarosite and the K analogue of natroalunite Alunite has been used for dating KAr method of weathering processes in ore deposits or of the deposition of alunite in caves Common member of the alunite supergroup The Al analogue of jarosite and the K analogue of natroalunite Alunite has been used for dating KAr method of weathering processes in ore deposits or of the deposition of alunite in caves

Characterization of gas chemistry and noblegas isotope ratios of

the gas diffusion parameters and retention of primary gases in alunite fluid inclusions are described by Landis et al this Volume Hydrothermal alunite occurs in three acid–sulfate environments magmatichydrothermal magmatic steam and steamheated Models showing the envi ronment of deposition of these types of the gas diffusion parameters and retention of primary gases in alunite fluid inclusions are described by Landis et al this Volume Hydrothermal alunite occurs in three acid–sulfate environments magmatichydrothermal magmatic steam and steamheated Models showing the envi ronment of deposition of these types of

Potassium NSW Resources and Energy

Quarry and Myall Quarry where alunite contents range up to 89 Booker 1950 Mining occurred from 1890 to 1926 and from 1935 to 1952 Total recorded production of alunite was 70 065 t of handpicked ore Booker 1950 Uren 1976 Holmes et al 1982 Appliions Potassium is a primary plant nutrient increasing Quarry and Myall Quarry where alunite contents range up to 89 Booker 1950 Mining occurred from 1890 to 1926 and from 1935 to 1952 Total recorded production of alunite was 70 065 t of handpicked ore Booker 1950 Uren 1976 Holmes et al 1982 Appliions Potassium is a primary plant nutrient increasing

AluniteJarosite Crystallography Thermodynamics and CiteSeerX

Table 1 of Dutrizac and Jambor this volume In this chapter however the primary concern is with those minerals for which TO4 is represented by SO 2 4 Table 1 Precipitates with compositions near those of the endmembers in the system alunite natroalunite and jarositenatrojarosite are readily prepared using sulfate Table 1 of Dutrizac and Jambor this volume In this chapter however the primary concern is with those minerals for which TO4 is represented by SO 2 4 Table 1 Precipitates with compositions near those of the endmembers in the system alunite natroalunite and jarositenatrojarosite are readily prepared using sulfate

nomenclature of the alunite supergroup RRuff

As in the alunite group a primary distinction rests on whether the proportion of Fe is greater than that of Al or vice versa Ba predominance The Badominant member of the alunite group is walthierite Bao sAI3 SO4 2 OH 0 and its relationship to other Badominant members of the alunite supergroup is shown in Figure 3 As in the alunite group a primary distinction rests on whether the proportion of Fe is greater than that of Al or vice versa Ba predominance The Badominant member of the alunite group is walthierite Bao sAI3 SO4 2 OH 0 and its relationship to other Badominant members of the alunite supergroup is shown in Figure 3

Potash Ridge Blawn Mountain Blawn Mountain History

The primary objective of the joint venture partners was to develop the project as a domestic source of alumina with the bulk of production supplying the In April 2011 Potash Ridge gained ownership of all the historical data related to the prior development of the alunite project loed in the Blawn Mountain project area The primary objective of the joint venture partners was to develop the project as a domestic source of alumina with the bulk of production supplying the In April 2011 Potash Ridge gained ownership of all the historical data related to the prior development of the alunite project loed in the Blawn Mountain project area

geology mineralogy alunite DigitalCommons University of

man et al 1992 and conventional massspectrometer analyses The sulfur isotopic composition of alunite and pyrite was analyzed using continuousflow techniques Stableisotope data are reported in the y Fig 2 Schematic stratigraphic column of the main units of the Tapajуs gold province modified from Juliani et al man et al 1992 and conventional massspectrometer analyses The sulfur isotopic composition of alunite and pyrite was analyzed using continuousflow techniques Stableisotope data are reported in the y Fig 2 Schematic stratigraphic column of the main units of the Tapajуs gold province modified from Juliani et al

Geochemistry of alunite group minerals in advanced argillic altered

LREE have inert behavior during advanced argillic alteration and concentrate in alunite and APS minerals Hikov 2011 in press The porphyry copper ore body is a coneshaped stockwork with highest metal concentration in the central part Bogdanov 1987 Popov et al 1996 The main hypogene ore stage quartz LREE have inert behavior during advanced argillic alteration and concentrate in alunite and APS minerals Hikov 2011 in press The porphyry copper ore body is a coneshaped stockwork with highest metal concentration in the central part Bogdanov 1987 Popov et al 1996 The main hypogene ore stage quartz

ALUNITE

ILLUSTRATIONS Page PLATE I Prospect crossing the main alunite vein near northwest end cen ter Ouster No 1 claim G II View of the trench shown in Plate I looking in the opposite direction ILLUSTRATIONS Page PLATE I Prospect crossing the main alunite vein near northwest end cen ter Ouster No 1 claim G II View of the trench shown in Plate I looking in the opposite direction

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