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Oligocene ash flow volcanism, northern Sierra Madre Occidental; role of mafic and intermediate-composition magmas in rhyolite genesis

Anonymous (1991) Oligocene ash flow volcanism, northern Sierra Madre Occidental; role of mafic and intermediate-composition magmas in rhyolite genesis. Journal of Geophysical Research, B, Solid Earth and Planets, vol.96, no.8, pp.13,389-13,411, 30 Jul 1991

AuthorsAnonymous
Year1991
TitleOligocene ash flow volcanism, northern Sierra Madre Occidental; role of mafic and intermediate-composition magmas in rhyolite genesis
SourceJournal of Geophysical Research, B, Solid Earth and Planets, vol.96, no.8, pp.13,389-13,411, 30 Jul 1991
ISSN0885-3401
GeoRef1991-038721
Keywordsalkaline earth metals; ash-flow tuff; Cenozoic; Chihuahua Mexico; crust; evolution; fractional crystallization; genesis; geochemistry; igneous rocks; isotopes; mafic magmas; magmas; metals; metamorphism; Mexico; Nd-144/Nd-143; neodymium; Oligocene; Paleogene; pyroclastics; rare earths; rhyolites; Sierra Madre Occidental; Sr-87/Sr-86; stable isotopes; strontium; subduction; Tertiary; Tomochic; trace elements; volcanic rocks; volcanism; volcanology

30 samples from this reference

Results Map Plot Download
SampleRock nameMajorTraceIsotope
N70 yesyesyes
N71 yesyesyes
N68 yesyesyes
O52Not-given yesyes
O54Not-given yesyesyes
O39Not-given yesyes
O53Not-given yesyesyes
O38Not-given yesyesyes
O57 yesyesyes
O58 yesyesyes
8640Not-given yesyes
NV11Tuff yesyes
NV01Tuff yesyes
NV07Tuff yesyesyes
N55Tuff yesyesyes
N57Tuff yesyes
N58Tuff yes
N60Tuff yesyesyes
N62Tuff yes
O72Rhyolite yesyes
O23Rhyolite yesyes
S32Rhyolite yesyes
C18Tuff yesyes
O59Tuff yesyes
S7Rhyolite yesyes
S4 (=N60)Tuff yesyes
S17 (=O04)Tuff yesyes
O04Tuff yes
J22AAndesite yes
J23Rhyolite yesyes