Journal article
Evolution of natrocarbonatite from a wollastonite nephelinite parent: Evidence from the June, 1993 eruption of Oldoinyo Lengai, Tanzania
- Abstract:
-
Lapilli and unusually thick, high viscosity lavas extruded from Oldoinyo Lengai in June, 1993 are composed of crystal-rich natrocarbonatite containing a small proportion of porphyritic silicate spheroids. The silicate spheroids are of wollastonite nephelinite mineralogy, but they also contain natrocarbonatite mineral grains and aggregates (a) in glass inclusions within nepheline and pyroxene phenocrysts, and (b) within the fine-grained silicate groundmass of the spheroids. The chemical relati...
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- Publication status:
- Published
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Bibliographic Details
- Journal:
- JOURNAL OF GEOLOGY More from this journal
- Volume:
- 104
- Issue:
- 1
- Pages:
- 41-54
- Publication date:
- 1996-01-01
- DOI:
- EISSN:
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1537-5269
- ISSN:
-
0022-1376
Item Description
- Pubs id:
-
pubs:165099
- UUID:
-
uuid:71df4c5c-c6fa-4d45-8d2d-297a2d4aa6e8
- Local pid:
-
pubs:165099
- Source identifiers:
-
165099
- Deposit date:
-
2012-12-19
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- Copyright date:
- 1996
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