登录注册
主页关于 MindatMindat手册Mindat的历史版权Who We Are联系我们于 Mindat.org刊登广告
捐赠给 MindatCorporate Sponsorship赞助板页已赞助的板页在 Mindat刊登 广告的广告商于 Mindat.org刊登广告
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe Elements书籍及杂志
搜索矿物的性质搜索矿物的化学Advanced Locality Search随意显示任何一 种矿物Random Locality使用minID搜索邻近产地Search Articles搜索词汇表更多搜索选项
搜索:
矿物名称:
地区产地名称:
关键字:
 
Mindat手册添加新照片Rate Photos产区编辑报告Coordinate Completion Report添加词汇表项目
Mining Companies统计会员列表Mineral Museums矿物展及活动The Mindat目录表设备设置
照片搜索Photo Galleries今天最新的照片昨天最新的照片用户照片相集过去每日精选照片相集Mineral Photography

Gamagara Ridge, Gloucester Farm, Postmasburg manganese field, Northern Cape, South Africai
Regional Level Types
Gamagara RidgeRidge
Gloucester FarmFarm
Postmasburg manganese field- not defined -
Northern CapeProvince
South AfricaCountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
Latitude & Longitude (WGS84): 28° 4' 5'' South , 23° 2' 26'' East
Latitude & Longitude (decimal): -28.06806,23.04083
GeoHash:G#: ke02k63gd
Locality type:Ridge
Köppen climate type:BSk : Cold semi-arid (steppe) climate


Between Beeshoek and Sishen mines.

Regions containing this locality

Kalahari Desert, Africa

Desert - 259 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Amesite
Formula: Mg2Al(AlSiO5)(OH)4
Reference: de Villiers, J. E. (1943): Gamagarite, a new vanadium mineral from the Postmasburg manganese deposits. American Mineralogist: 28, 329-335.
Baryte
Formula: BaSO4
Reference: Mineralogical Magazine (1997) 61:213-231
Bixbyite
Formula: Mn3+2O3
Reference: de Villiers, J. E. (1943): Gamagarite, a new vanadium mineral from the Postmasburg manganese deposits. American Mineralogist: 28, 329-335.
Diaspore
Formula: AlO(OH)
Reference: de Villiers, J. E. (1943): Gamagarite, a new vanadium mineral from the Postmasburg manganese deposits. American Mineralogist: 28, 329-335.
Ephesite
Formula: LiNaAl2(Al2Si2O10)(OH)2
Reference: de Villiers, J. E. (1943): Gamagarite, a new vanadium mineral from the Postmasburg manganese deposits. American Mineralogist: 28, 329-335.
Gamagarite (TL)
Formula: Ba2Fe3+(VO4)2(OH)
Type Locality:
Reference: Amer.Min.(1943) 28, 329-335; The Manganese Adventure: The South African Manganese Fields
Hematite
Formula: Fe2O3
Reference: de Villiers, J. E. (1943): Gamagarite, a new vanadium mineral from the Postmasburg manganese deposits. American Mineralogist: 28, 329-335.
Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Reference: Mineralogical Magazine (1997) 61:213-231

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Bixbyite'4.CB.10Mn3+2O3
'Diaspore'4.FD.10AlO(OH)
'Hematite'4.CB.05Fe2O3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
'Gamagarite' (TL)8.BG.05Ba2Fe3+(VO4)2(OH)
'Hydroxylapatite'8.BN.05Ca5(PO4)3(OH)
Group 9 - Silicates
'Amesite'9.ED.15Mg2Al(AlSiO5)(OH)4
'Ephesite'9.EC.20LiNaAl2(Al2Si2O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Bixbyite4.3.7.2Mn3+2O3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Hydroxylapatite41.8.1.3Ca5(PO4)3(OH)
(AB)3(XO4)2Zq
Gamagarite (TL)41.10.4.3Ba2Fe3+(VO4)2(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Amesite71.1.2c.1Mg2Al(AlSiO5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Ephesite71.2.2b.16LiNaAl2(Al2Si2O10)(OH)2

List of minerals for each chemical element

HHydrogen
H AmesiteMg2Al(AlSiO5)(OH)4
H DiasporeAlO(OH)
H EphesiteLiNaAl2(Al2Si2O10)(OH)2
H GamagariteBa2Fe3+(VO4)2(OH)
H HydroxylapatiteCa5(PO4)3(OH)
LiLithium
Li EphesiteLiNaAl2(Al2Si2O10)(OH)2
OOxygen
O AmesiteMg2Al(AlSiO5)(OH)4
O BaryteBaSO4
O BixbyiteMn23+O3
O DiasporeAlO(OH)
O EphesiteLiNaAl2(Al2Si2O10)(OH)2
O GamagariteBa2Fe3+(VO4)2(OH)
O HematiteFe2O3
O HydroxylapatiteCa5(PO4)3(OH)
NaSodium
Na EphesiteLiNaAl2(Al2Si2O10)(OH)2
MgMagnesium
Mg AmesiteMg2Al(AlSiO5)(OH)4
AlAluminium
Al AmesiteMg2Al(AlSiO5)(OH)4
Al DiasporeAlO(OH)
Al EphesiteLiNaAl2(Al2Si2O10)(OH)2
SiSilicon
Si AmesiteMg2Al(AlSiO5)(OH)4
Si EphesiteLiNaAl2(Al2Si2O10)(OH)2
PPhosphorus
P HydroxylapatiteCa5(PO4)3(OH)
SSulfur
S BaryteBaSO4
CaCalcium
Ca HydroxylapatiteCa5(PO4)3(OH)
VVanadium
V GamagariteBa2Fe3+(VO4)2(OH)
MnManganese
Mn BixbyiteMn23+O3
FeIron
Fe GamagariteBa2Fe3+(VO4)2(OH)
Fe HematiteFe2O3
BaBarium
Ba BaryteBaSO4
Ba GamagariteBa2Fe3+(VO4)2(OH)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Rhyacian - Neoarchean
2050 - 2800 Ma



ID: 3308868

Age: Precambrian (2050 - 2800 Ma)

Lithology: Sedimentary and volcaniclastic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Rhyacian - Siderian
2050 - 2500 Ma



ID: 2237192
Gamagara Formation of Olifantshoek Supergroup

Age: Proterozoic (2050 - 2500 Ma)

Stratigraphic Name: Gamagara Formation

Description: Shale, quartzite, minor conglomerate

Reference: Council for Geoscience. Geologic map of South Africa, 1:1M. National Science Councils of South Africa. [41]

Siderian
2300 - 2500 Ma



ID: 3185245
Paleoproterozoic sedimentary and volcanic rocks

Age: Siderian (2300 - 2500 Ma)

Lithology: Mafic-intermediate undivided volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
de Villiers, J. E. (1943): Gamagarite, a new vanadium mineral from the Postmasburg manganese deposits. American Mineralogist: 28, 329-335.


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
矿物 and/or 产地  
版权所有© mindat.org1993年至2020年,除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。
隐私政策 - 条款和条款细则 - 联络我们 Current server date and time: 2020.4.6 20:53:21 Page generated: 2018.11.29 10:47:51
Go to top of page