| Locality type: | Intrusion |
| 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 |
| Data |
|---|
|
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Buru carbonatite, Kericho County, Kenya |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 1237340 |
| Long-form Identifier: | 1:3:1237340:4 |
| GUID (UUID V4): | eab3ec33-ffbd-463d-8713-21361dfa103c |
| Nearest other occurrences of Biotite |
|---|
|
|
| 23.2km (14.4 miles) | ⓘTinderet volcano, Nandi County, Kenya |
| 28.1km (17.5 miles) | ⓘEldoret and Kapsabet Plateau, Kenya |
| 62.3km (38.7 miles) | ⓘLake Simbi Crater, Homa Bay County, Kenya |
| 63.3km (39.3 miles) | ⓘMolo Volcanic Area, Nakuru County, Kenya |
| 64.5km (40.1 miles) | ⓘLondiani Volcano, Baringo County, Kenya |
| 77.1km (47.9 miles) | ⓘHoma Mountain complex, Homa Bay County, Kenya |
| 89.7km (55.8 miles) | ⓘSokolo Point Carbonatite, Wasaki Peninsula Carbonatites, Homa Bay County, Kenya |
| 89.9km (55.9 miles) | ⓘMau Volcanic Area, Narok County, Kenya |
| 92.5km (57.5 miles) | ⓘUsaki Ijolite Complex, Homa Bay County, Kenya |
| 92.9km (57.7 miles) | ⓘWasaki Peninsula Carbonatites, Homa Bay County, Kenya |
| References |
|---|
|
Onuonga, I. O., Fallick, A. E., & Bowden, P. (1997). The recognition of meteoric-hydrothermal and supergene processes in volcanic carbonatites, Nyanza Rift, western Kenya, using carbon and oxygen isotopes. Journal of African Earth Sciences, 25(1), 103-113. doi.org/10.1016/S0899-5362(97)00064-X |
| Reference Search (possible matching items) |
|---|
 | | Journal (article/letter/editorial) | | ubiquitous in REE-rich environments such as carbonatite (Ngwenya 1994, Zaitsev et al. 1998, Onuonga...(Western Alps, Italy) associated with quartz, biotite, and K-feldspar, where it consists of orange-yellow...autoliths from the Kilombe volcano (Rift Valley, Kenya), associated with Fe- and P-rich phyllosilicate...supergene lanthanide mineralization at the Buru carbonatite (Kenya) and consider that in such a context synchysite...fluorocarbonate in calcite carbonatite hydrothermal veins of the Tundulu carbonatite complex in Malawi (Ngwenya |  | Giovannini, Arthur L., Bastos Neto, Artur C., Porto, Claudio G., Pereira, Vitor P., Takehara, Lucy, Barbanson, Luc, Bastos, Pedro H.S. (2017) Mineralogy and geochemistry of laterites from the Morro dos Seis Lagos Nb (Ti, REE) deposit (Amazonas, Brazil) Ore Geology Reviews, 88. 461-480 doi:10.1016/j.oregeorev.2017.05.008 | Journal (article/letter/editorial) | | laterites formed by the weathering of siderite carbonatite. This iron-rich lateritic profile (>100 m in...concentrated to potentially economic levels in carbonatite and alkali-silicate igneous rocks and their weathering...Lagos deposit, associated with the Seis Lagos Carbonatite Complex (Issler and Silva, 1980), is located...being the only one associated with siderite carbonatite. To our knowledge, the Morro dos Seis Lagos deposit...the type of metal, associated with siderite carbonatite. Regardless its economic importance and geological |
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