Occurrence and Mineral Chemistry of High Pressure Phases, Potrillo Basalt, Southcentral New Mexico

Author:: Sheffield, T. M.
Published:: May 31, 1982.
Physical Description:: 1 electronic document

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Summary:

The presence of an older plagioclase-rich basalt and a younger olivine-rich basalt were confirmed by modal and chemical analysis. Chemical analysis also confirmed the presence of flows that are tholeiitic in composition and could be remnants of an original tholeittic parent magma. Eruptions from different levels of a differentiated magma chamber are proposed to account for the two members.

Other Subject(s):

GEOPHYSICS

Collection:

NASA Technical Reports Server (NTRS) Collection.

Note:

Document ID: 19820017803.
Accession ID: 82N25679.
NASA-CR-169008.
NAS 1.26:169008.

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