Downhole variation of potassium, inert gas abundance, and apparent K-Ar age in basalts from the Costa Rica Rift, Hole 504B, Leg 83, Deep Sea Drilling Project

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doi: 10.2973/dsdp.proc.83.114.1985
Author(s): Mitchell, J. G.; Terrell, D. J.
Author Affiliation(s): Primary:
Univ. Newcastle-upon-Tyne, Sch. Phys., Newcastle-upon-Tyne, United Kingdom
Other:
Univ. Miami, Rosenstiel Sch. Mar. and Atmos. Sci., United States
Univ. Newcastle-upon-Tyne, United Kingdom
Univ. Giessen, Mineral.-Petrogr. Inst., Federal Republic of Germany
South. Methodist Univ., Dep. Geol. Sci., United States
Chiba Univ., Dep. Earth Sci., Japan
Univ. L'Océan Indien, Lab. Geol., France
Woods Hole Oceanogr. Inst., United States
Scripps Inst. Oceanogr., United States
Univ. Nac. Auton. Mex., Ist. Geofis., Mexico
Volume Title: Initial reports of the Deep Sea Drilling Project, covering Leg 83 of the cruises of the Drilling Vessel Glomar Challenger, Balboa, Panama to Balboa, Panama, November 1981- January 1982
Volume Author(s): Anderson, Roger N.; Honnorez, Jose; Adamson, Andrew C.; Alt, Jeffrey C.; Emmermann, Rolf; Kempton, Pamela D.; Kinoshita, Hajimu; Leverne, Christine; Mottl, Michael J.; Newmark, Robin L.; Becker, Keir
Source: Initial reports of the Deep Sea Drilling Project, covering Leg 83 of the cruises of the Drilling Vessel Glomar Challenger, Balboa, Panama to Balboa, Panama, November 1981- January 1982, Roger N. Anderson, Jose Honnorez, Andrew C. Adamson, Jeffrey C. Alt, Rolf Emmermann, Pamela D. Kempton, Hajimu Kinoshita, Christine Leverne, Michael J. Mottl, Robin L. Newmark and Keir Becker. Initial Reports of the Deep Sea Drilling Project, Vol.83, p.305-312. Publisher: Texas A & M University, Ocean Drilling Program, College Station, TX, United States. ISSN: 0080-8334 CODEN: IDSDA6
Note: In English. 40 refs.; illus. incl. 1 table, strat. cols.
Summary: Down-hole inert gas abundances diminish with increasing depth. The effects of mineralization and other phenomena on K-Ar ages are discussed.
Year of Publication: 1985
Research Program: DSDP Deep Sea Drilling Project
IPOD International Phase of Ocean Drilling
ODP Ocean Drilling Program
Key Words: 02 Geochemistry; 05 Petrology, Igneous and Metamorphic; Absolute age; Alkali metals; Argon; Basalts; Costa Rica Rift; Crust; DSDP Site 504; Dates; Deep Sea Drilling Project; East Pacific; Eastern Equatorial Pacific; Equatorial Pacific; Geochemistry; IPOD; Igneous rocks; K/Ar; Krypton; Leg 111; Leg 137; Leg 140; Leg 148; Leg 69; Leg 70; Leg 83; Leg 92; Metals; Neon; Noble gases; North American Pacific; North Pacific; Northeast Pacific; Ocean Drilling Program; Oceanic crust; Pacific Ocean; Petrology; Potassium; Volcanic rocks; Xenon
Coordinates: N011300 N011300 W0834300 W0834300
Record ID: 1985059452
Copyright Information: GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom