← Search

Sample F-7

NavDat sample number 7516 · RHYOLITE

Sample

Sample IDF-7
Alternate IDB68-78
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byCrowder and others, 1972

Location

Latitude37.9433
Longitude-118.33
State / provinceNevada
Volcanic fieldAdobe

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
32.5 0 65 Cenozoic

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO277.9WT%XRF
AL2O312.5WT%XRF
FE2O30.41WT%XRF
FEO0.16WT%TIT
MGO0.28WT%XRF
CAO0.08WT%XRF
NA2O1.2WT%XRF
K2O5.5WT%XRF
H2O_PLUS1.4WT%TIT
H2O_MINUS0.3WT%TIT
TIO20.18WT%XRF
P2O50.02WT%XRF
CO20.05WT%UNKNOWN

References