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Sample LM-1

NavDat sample number 5583 · RHYOLITE

Sample

Sample IDLM-1
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byR.A. Chadwick
CommentLIGHT-GRAY RHYOLITE PORPHYRY WITH CLEAR IRIDESCENT SANIDINE AND DARK-GRAY QUARTZ PHENOCRYSTS

Location

Latitude46.4203
Longitude-111.889
LocationSE slope of Lava Mountain, 9 km SE of Clancy; Jefferson County
State / provinceMontana

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
35.8 34.4 37.2

Analyses

No chemical analyses are stored for this sample.

References