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Biotite from
Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon


Locality type:Outcrop
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Ferro-actinolite4 photos of Biotite associated with Ferro-actinolite at this locality.
Hematite4 photos of Biotite associated with Hematite at this locality.
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon
Data Identifiers
Mindat Occurrence Record ID:161608
Long-form Identifier:1:3:161608:8
GUID (UUID V4):2411e6d7-07ff-416c-b764-62e707e041ef
References
Reference Search (possible matching items)
Report (issue)
molybdenum mineralisation near Ballachulish, Highland Region I I I I I I I I I I I I I I I I I I I I I ...copper-molybdenum mineralisation near Ballachulish, Highland Region 15 Investigation of stratiform sulphide mineralisation...22 Geochemical and geophysical investigations northwest of Llanrwst, North Wales 23 Disseminated sulphide...copper-molybdenum mineralisation near Ballachulish, Highland Region Mineral Reconnaissance Programme Rep. Inst. Geol...21 15 Cu contents of outcrop samples (outer area) 25 16 Cu contents of outcrop samples (central area)
Report (issue)
description ___________________ Previous work in the region __________________ Climate _____________________________...___________________ Reed Dolomite soils____________________ Adamellite soils of Sage Hen Flat ___________ Basalt soils..._____________________ Reed Dolomite _______________________ Adamellite of Sage Hen Flat ______________ Mechanisms of...__________________ Adamellite of Sage Hen Flat ________ Electron microprobe studies of adamellite mineral weathering...382 Reed Dolomite __________________ 401 382 Adamellite of Sage Hen Flat ________ 403 384 Changes in
Journal (article/letter/editorial)
deviation of single thin section modes from an outcrop is 2.616 of the whole for the major minerals compared...samples collected only five feet apart from an adamellite outcrop showed that the quartz content of the hand...results. For example, to determine quartz in the adamellite, it is 2 35 times more efficient to point count...major part of the pluton variation. This within-outcrop variation can be split into several levels and...Rosenblum, 1956), plagioclase, nonopaque accessories,biotite, chlorite, amphibole and opaque accessorieswere
Journal (article/letter/editorial)
the hypothesis that syn-kinematic granodiorite-adamellite plutons were derived by partial melting of banded...and BET'TENAY, 1977). A suite of granodiorite-adamellite plutons. the “syn-kinematic” suite derived by... and m~gmahle Concealed banded gnens Sparse outcrop dom!“ated klnematlc phases .’ formlng plutons...by now highly foliated, extensive granodiorite-adamellite and lesser tonalite plutons (syn-kinematic granitoids...Rocks is an intensely lineated granodiorite-adamellite outcrop marginal to a strongly deformed greenstone
Report (issue)
............................. The Asia-Pacific region .........................................................40 41 Palaeochannels in the Kalgoorlie region .................................................restricted to the Yilgarn Craton in the southwestern region of the State and are within a few hundred kilometres...and South Carolina in the USA, and in the Amazon region of Brazil. Most of the kaolin worked in Georgia...host rocks, and those with a low abundance of biotite typically produce unstained white kaolin of high
Report (issue)
................................... 150 Albany region ................................................................................. 150 Esperance region .................................................................................. 155 Karratha region ................................................................................. 155 Roebourne region ................................................................................ 155 Whim Creek region ..............................................
Report (issue)
C R M , Lake Austin uranium prospect, Murchmson Region, Western Australia, J Geochem Explor (1 980) 347-349...Ghelle radioactive minéral occurrence m the Bur region of the Republic of Somalia: a brief summary of...entirely in episodic late summer storms. Outside this region, under less arid conditions, only pedogenic calcretes...geomorphological development and provenance of a region are favourable for uraniferous calcrete deposits...(MEDITERRANEAN) *" -—-.a/vît—— VALLEY CALCRETE REGION •AW WILUNA 300 40oFKalgoorlie, PEDOGENIC *S
Book
the Ranger Uranium Mine in the Alligator Rivers Region—there is much more to this business enterprise...being developed at Argyle, in the East Kimberley Region of Western Australia. These employees will live...Venture has explored for diamond in the Kimberley Region of Western In 1977, Joint Venture Australia since...200 km north-east of Perth in the East Kimberley region of Western Australia. The area is geographically...There are three main population centres in the region, each of which is equidistant by road from the
Report (issue)
surface The Eastern Highlands Nyanga Mountains Mutare region Vumba Mountains Southern Mountains Chimanimani...Limpopo-Save Lowlands Central region Gona-re-Zhou region Middle Save Valley Western region The Zambezi Valley Northern...Northern region Sanyati-Sengwa basin Binga region The Central Axis Central watershed Great Dyke Harare...Harare region Beatrice triangle Centenary-Mount Darwin region North-eastern region Upper Save basin Kyle...Kyle region Zvishavane region Filabusi region Gwanda region Bulawayo region Hwange region Nkayi region North-western
 
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