← Search

Sample JDB500

NavDat sample number 42066 · DACITE

Sample

Sample IDJDB500
Rock nameDACITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude43.93
Longitude-113.96
LocationPorphyry Peak, White Knob Mountains, Custer County
State / provinceIdaho
Volcanic fielddacite porphyry intrusion, Challis Volcanic Field

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
49.37 49.16 49.58

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO266.69WT%XRF
TIO20.49WT%XRF
AL2O314.56WT%XRF
FE2O33.51WT%XRF
FEO0.92WT%XRF
MNO0.07WT%XRF
MGO1.68WT%XRF
CAO2.03WT%XRF
NA2O3.34WT%XRF
K2O3.54WT%XRF
P2O50.18WT%XRF
RB135PPMXRF
SR452PPMXRF
BA1233PPMXRF
Y17PPMXRF
ZR153PPMXRF
V77PPMXRF
NI17PPMXRF
CR85PPMXRF

References