← Search

Sample PDS 24-860

NavDat sample number 45979 · PYROCLASTIC-FLOW

Sample

Sample IDPDS 24-860
Rock namePYROCLASTIC-FLOW
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude37.918
Longitude-106.954
LocationW. Willow Creek
State / provinceCOLORADO
FormationSouth River Caldera Cycle, Silver River volcanics, Wason Park Tuff, Pioneer drillholes

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
27.1 27 27.2

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO273.38WT%XRF
TIO20.367394WT%XRF
AL2O313.9814WT%XRF
FE2O32.07169WT%XRF
MGO0.479653WT%XRF
CAO0.949101WT%XRF
NA2O2.47991WT%XRF
K2O5.03126WT%XRF
P2O50.0918485WT%XRF
MNO0.0510269WT%XRF
LOI1.99WT%XRF
TOTAL98.8833WT%XRF

References