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Contemporaneous magmatic differentiation of S-rich trachyandesitic and high-K calc-alkaline andesite in an intracontinental setting, San Juan volcanic field, Colorado, U.S.A.

Parat, Fleurice (2001) Contemporaneous magmatic differentiation of S-rich trachyandesitic and high-K calc-alkaline andesite in an intracontinental setting, San Juan volcanic field, Colorado, U.S.A. Terre and Environnement. 30; 2001. .

AuthorsParat, Fleurice
Year2001
TitleContemporaneous magmatic differentiation of S-rich trachyandesitic and high-K calc-alkaline andesite in an intracontinental setting, San Juan volcanic field, Colorado, U.S.A.
SourceTerre and Environnement. 30; 2001. .
PublisherUniversite de Geneve, Section des Sciences de la Terre. Geneva, Switzerland. Pages: 121. 2001.
Document typeSerial
ISBN2-940153-29-9
ISSN1423-5773
GeoRef2002-050110
Keywordsalkali-metals; andesites-; calc-alkalic-composition; Cenozoic-; Colorado-; concentration-; fractional-crystallization; geochemistry-; Huerto-Formation; igneous-rocks; magmas-; magmatic-differentiation; metals-; mineral-assemblages; Oligocene-; Paleogene-; potassium-; San-Juan-volcanic-field; sulfur-; Tertiary-; trachyandesites-; United-States; volcanic-rocks

36 samples from this reference

SampleRock nameMajorTraceIsotope
EMA 4Andesite yesyes
EMA 9Andesite yesyesyes
EMA 10AAndesite yesyesyes
EMA 13Andesite yesyesyes
DA 4Andesite yesyes
HA-27Andesite yesyesyes
HA-28Andesite yesyesyes
HA-29Andesite yesyesyes
HA 30Andesite yesyes
HA 31Andesite yesyesyes
HA 32Andesite yesyes
HA 33Andesite yesyesyes
HA 34Andesite yesyes
HA 35Andesite yesyesyes
HA 36Andesite yesyes
HA 37Andesite yesyes
HA 38Andesite yesyes
HA 39Andesite yesyesyes
HA 26Dacite yesyes
HA 1Andesite yesyesyes
HA 2Andesite yesyes
HA 4Andesite yesyes
HA 6Andesite yesyesyes
HA 7Andesite yesyes
HA 9Andesite yesyes
HA 10Andesite yesyes
HA 11Andesite yesyes
HA 12Andesite yesyes
HA 13Andesite yesyes
HA 14Andesite yesyesyes
HA 16Andesite yesyes
HA 17Andesite yesyes
HA 18Andesite yesyesyes
HA 19Andesite yesyes
HA 20Andesite yesyes
HA 22Andesite yesyes