Locality type: | Island |
Classification |
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Species: | Zircon |
Formula: | Zr(SiO4) |
Age information |
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Maximum recorded age: | 125.8 ± 7.7 Ma |
Minimum recorded age: | 125.8 ± 7.7 Ma |
Sample ages: | |
Sample references: | |
1 | - | Eby, G.N., Roden-Tice, M., Kreuger, H.L., Ewing, W., Faxon, E.H., and Woolley, A.R. (1995): Geochronology and cooling history of the northern part of the Chilwa alkaline province, Malawi. Journal Afr. Earth Sci. 20, 275-288. doi.org/10.1016/0899-5362(95)00054-W |
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Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Zircon data |
Locality Data: | Click here to view Nchisi Island (Chilwa Island; Shirwa Island), Zomba, Southern Region, Malawi |
Data Identifiers |
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Mindat Occurrence Record ID: | 1317604 |
Long-form Identifier: | 1:3:1317604:8 |
GUID (UUID V4): | 2762b066-2121-47c3-8896-e2dd8f42f4c9 |
Nearest other occurrences of Zircon |
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32.2km (20.0 miles) | ⓘMongolowe-Chaone-Chikala Complexes, Machinga, Southern Region, Malawi |
32.9km (20.5 miles) | ⓘMount Malosa, Zomba, Southern Region, Malawi |
43.1km (26.8 miles) | ⓘMachemba Mountain, Phalombe, Southern Region, Malawi |
47.4km (29.4 miles) | ⓘSongwe Hill REE Project (Songwe Hill carbonatite), Phalombe, Southern Region, Malawi |
53.5km (33.3 miles) | ⓘUtale Occurrence, Balaka, Southern Region, Malawi |
References |
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Dowman, E., Wall, F., Treloar, P. J., Rankin, A. H., & Corkhill, C. (2017). Rare-earth mobility as a result of multiple phases of fluid activity in fenite around the Chilwa Island Carbonatite, Malawi. Mineralogical Magazine, 81(6), 1367-1395. |