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
AGE | 0.036 ± 0.003 MA |
AR38_AR36 | 0.1884 ± 0.0013 |
AR40_AR36 | 355.4 ± 1.5 |
K2O | 3.41 WT% |
AR40 | 0.00000000398 ± 0.00000000032 CCMSTP/G |