| Locality type: | Massif |
| Classification |
|---|
|
| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Age information |
|---|
|
| Maximum recorded age: | 128 ± 6 Ma |
| Minimum recorded age: | 116 ± 6 Ma |
| Sample ages: | |
| Sample references: | |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Mlanje Massif, Mulanje, Southern Region, Malawi |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 1429939 |
| Long-form Identifier: | 1:3:1429939:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 0.0km (0.0 miles) | ⓘMulanje Massif (Mlange Massif), Mulanje, Southern Region, Malawi |
| 18.1km (11.3 miles) | ⓘMichese Intrusion, Phalombe, Southern Region, Malawi |
| 23.2km (14.4 miles) | ⓘTumbine Intrusion, Milange District, Zambezia Province, Mozambique |
| 26.0km (16.2 miles) | ⓘMachemba Mountain, Phalombe, Southern Region, Malawi |
| 34.2km (21.2 miles) | ⓘSongwe Hill REE Project (Songwe Hill carbonatite), Phalombe, Southern Region, Malawi |
| 40.9km (25.4 miles) | ⓘNkalonje Hills, Phalombe, Southern Region, Malawi |
| 62.4km (38.8 miles) | ⓘMpyupyu Hill, Zomba, Southern Region, Malawi |
| 66.0km (41.0 miles) | ⓘChiperone and Derre Complex, Milange District, Zambezia Province, Mozambique |
| 83.4km (51.8 miles) | ⓘMount Malosa, Zomba, Southern Region, Malawi |
| 94.7km (58.8 miles) | ⓘMongolowe-Chaone-Chikala Complexes, Machinga, Southern Region, Malawi |
| References |
|---|
|
Platt, R. G., Wall, F., Williams, C. T., Woolley, A. R. (1987) Zirconolite, chevkinite and other rare earth minerals from nepheline syenites and peralkaline granites and syenites of the Chilwa Alkaline Province, Malawi. Mineralogical Magazine, 51 (360) 253-263 doi:10.1180/minmag.1987.051.360.07 |
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