GEOROC Sample Information

Location
Latitude 20.7514 | Longitude -156.225
HAWAIIAN ISLANDS / MAUI / HALEAKALA / POST-SHIELD STAGE
OCEAN ISLAND

Reference

SHERROD D. R.,TAGAMI T.,NISHIMITSU Y.

NEW K-AR AGES AND THE GEOLOGIC EVIDENCE AGAINST REJUVENATED-STAGE VOLCANISM AT HALEAKALA, EAST MAUI, A POSTSHIELD-STAGE VOLCANO OF THE HAWAIIAN ISLAND CHAIN

BULL. GEOL. SOC. AM. 115 [2003] 683-694

Sample Name: NHK18-1

Sample Information

NOT GIVEN / TRACHYTE/BENMOREITE, UPPER PART OF KULA SERIES
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AGE0.591 ± 0.011 MA
K2O3.46 WT%
AR400.00000006611 CCMSTP/G