Alaska Volcano Observatory - Trace element variation in the volcanic rocks of Adak and Umnak Islands of the Aleutian Arc

TRACE ELEMENT VARIATION IN THE VOLCANIC ROCKS OF ADAK AND UMNAK ISLANDS OF THE ALEUTIAN ARC

Walker, A. T. III., 1974, Trace element variation in the volcanic rocks of Adak and Umnak Islands of the Aleutian Arc: Columbia University unpublished M.S. thesis, 39 p.

DATA TABLES *Not all tables in a publication may be listed. Not all tables from a publication have data entered in the database.

113: Analyses of the Aleutian samples (Concentrations are in ppm except for wt. % TiO2)

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* (1) The lead analyses are from S. Sun (1973). (2) Analysis by R. Kay (UM18 and UM5). (3) The number after the 1A prefix are the location numbers of Byers (1959). Major element analyses and modal composition are given in Byers. *

114: Parameters used in partial melting calculations for successful source compositions

* (1) The chondrite normalized concentrations of the calculated liquids have to be raised by these enrichment factors to bring them up to those of the measured andesites. *

115: Sample description (samples collected by R. Kay)

SAMPLES

ADK10
ADK56
UM11
UM13
UM17
UM6
ADK58
UM18
UM4
UM5
ADK51
ADK54
ADK55
ADK6
ADK7
ADK9
UM16
UM2
UM20
UM22
UM26
ADK52
ADK53

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