GEOROC Sample Information

Location
Latitude 31.7267 | Longitude 130.6786
RYUKYU ARC / RYUKYU ARC / KYUSHU / SHIMIZU RHYOLITE
KAJIKI AREA
CONVERGENT MARGIN

Reference

TATSUMI Y.,SUDO M.,ISHIHARA K.

PRE-CALDERA VOLCANIC HISTORY IN AIRA CALDERA: K-AR DATING OF LAVAS FROM KAJIKI AND KOKOBU AREAS IN NORTHERN PART AND USHINE AREA IN SOUTHERN PART OF THE CALDERA

BULL. VOLCANOL. SOC. JAPAN, SER. 2 45 [2000] 1-12

Sample Name: AR54G

Sample Information

RHYOLITE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AGE0.036 ± 0.003 MA
AR38_AR360.1884 ± 0.0013
AR40_AR36355.4 ± 1.5
K2O3.41 WT%
AR400.00000000398 ± 0.00000000032 CCMSTP/G