The Stillwater Complex, Montana; a subvolcanic magma chamber?

The Stillwater Complex, Montana; a subvolcanic magma chamber?

The observed stratigraphy of the basal and ultramafic series may result from mixing of two distinct magmas rather than fractionation of a single magma.

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Bibliographische Detailangaben
Veröffentlicht in:The American mineralogist 1995-12, Vol.80 (11-12), p.1343-1346
1. Verfasser: Helz, Rosalind Tuthill
Format: Artikel
Sprache:eng
Schlagworte:
crystallization
cumulates
experimental studies
Geology
hybridization
igneous and metamorphic rocks
intrusions
Lava
mafic composition
Magma
magma chambers
magmas
mixing
Montana
P-T conditions
Petrology
Precambrian
southern Montana
Stillwater Complex
Stillwater County Montana
subvolcanic processes
ultramafic composition
United States
Volcanoes
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Beschreibung
Zusammenfassung:The observed stratigraphy of the basal and ultramafic series may result from mixing of two distinct magmas rather than fractionation of a single magma.
ISSN:0003-004X
1945-3027
DOI:10.2138/am-1995-11-1225