GEOROC Sample Information

Location
Latitude 37 | Longitude 138
HONSHU ARC / CENTRAL HONSHU ARC / HONSHU / MYOKO
MYOKO VOLCANO GROUP
CONVERGENT MARGIN

Reference

SAKUYAMA M.

PETROLOGICAL STUDY OF THE MYOKO AND KUROHIME VOLCANOES, JAPAN: CRYSTALLIZATION SEQUENCE AND EVIDENCE FOR MAGMA MIXING

J. PETROL. 22 [1981] 553-583

Sample Name: MK560D

Sample Information

DACITE / PORPHYRITIC TEXTURE
OUTCROP

Sample Age Information

QUATERNARY


Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O317.39 ± 0.8 WT%
CAO5.69 ± 0.2 WT%
FE2O3T5.84 ± 0.5 WT%
K2O2.13 ± 0.08 WT%
MGO2.38 ± 0.4 WT%
MNO0.11 ± 0.02 WT%
NA2O2.62 ± 0.18 WT%
P2O50.23 ± 0.06 WT%
SIO263.93 ± 1.4 WT%
TIO20.52 ± 0.05 WT%


Reference

ARAMAKI S.,NAKANO S.,FUKUOKA T.

TRACE ELEMENT ABUNDANCES IN THE QUATERNARY VOLCANIC ROCKS OF THE NORIKURA VOLCANIC CHAIN, CENTRAL HONSHU, JAPAN

GEOCHEM. J. 21 [1987] 159-172

Sample Name: MK560D

Sample Information

DACITE / PORPHYRITIC TEXTURE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

CE22.3 PPM
EU0.9 PPM
LA10.7 PPM
LU0.36 PPM
SM2.85 PPM
TB0.45 PPM
YB2.3 PPM
BA450 PPM
CR9 PPM
HF2.8 PPM
RB60 PPM
SC14.2 PPM
SR270 PPM
TH4.6 PPM