Petrology and geochemistry of silicified upper Miocene chalk, Costa Rica Rift, Deep Sea Drilling Project Leg 69

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doi: 10.2973/dsdp.proc.69.116.1983
Author(s): Hein, James R.; Sancetta, Constance A.; Morgenson, Lisa A.
Author Affiliation(s): Primary:
U. S. Geol. Surv., Menlo Park, CA, United States
Other:
Lamont-Doherty Geol. Obs., United States
Univ. Miami, Rosenstiel Sch. Mar. Atmos. Sci., United States
Woods Hole Oceanogr. Inst., United States
Scripps Inst. Oceanogr., Deep Sea Drill. Proj., United States
Inst. of Geophys., USSR
USSR Acad. Sci., Inst. Geol. Ore Deposits, Petrol., Mineral., Geochem., USSR
U. S. Geol. Surv., United States
Univ. Tuebingen, Inst. Mus. Geol. Palaeontol., Federal Republic of Germany
Bundesanst. Geowiss. Rohst., Federal Republic of Germany
Univ. R.I., Grad. Sch. Oceanogr., United States
Univ. Tokyo, Ocean Res. Inst., Japan
Univ. Karlsruhe, Inst. Petrogr. Geochem., Federal Republic of Germany
Fla. State Univ., Dep. Geol., United States
Lab. Geol., Fac. Sci. Tech., Tunisia
Oreg. State Univ., Sch. Oceanogr., United States
USSR Acad. Sci., V.I. Vernadsky Inst. Geochem. Anal. Chem., USSR
Imp. Coll., Dep. Geol., United Kingdom
Univ. Louis Pasteur, Lab. Mineral. Petrogr., France
Univ. Ala., Dep. Geol. Geophys., United States
Univ. Wash., Dep. Geol. Sci., United States
Volume Title: Initial reports of the Deep Sea Drilling Project covering Leg 68 (Site 501), Leg 69, and Leg 70 (Site 504) of the cruises of the drilling vessel Glomar Challenger, Puntarenas, Costa Rica to Balboa, Panama, July-December 1979
Volume Author(s): Cann, J. R.; Langseth, Marcus G.; Honnorez, Jose; Von Herzen, Richard P.; White, S. M.; Bacon, Michael P.; Anderson, Roger N.; Lawrence, James R.; Natland, James H.; Nekhoroshkov, Vladislav L.; Pertsev, Nikolai N.; Ponomarev, Vladimir N.; Zoback, Mark D.; Adamson, A. C.; Barrett, Timothy J.; Becker, Keir; Beiersdorf, Helmut; Bender, Michael; Borella, Peter E.; Furuta, Toshio; Hubberten, Hans-Wolfgang; Jones, Steven C.; Karato, Shun-ichiro; Laverne, Christine; Levi, Shaul; Migdisov, Areg G.; Moorby, S. Anthony; Mottl, Michael J.; Noack, Yves; Sancetta, Constance A.; Schrader, Edward L.; Wilkens, Roy H.; Stout, Larry N.; Bailey, Marian G.
Source: Initial reports of the Deep Sea Drilling Project covering Leg 68 (Site 501), Leg 69, and Leg 70 (Site 504) of the cruises of the drilling vessel Glomar Challenger, Puntarenas, Costa Rica to Balboa, Panama, July-December 1979, J. R. Cann, Marcus G. Langseth, Jose Honnorez, Richard P. Von Herzen, S. M. White, Michael P. Bacon, Roger N. Anderson, James R. Lawrence, James H. Natland, Vladislav L. Nekhoroshkov, Nikolai N. Pertsev, Vladimir N. Ponomarev, Mark D. Zoback, A. C. Adamson, Timothy J. Barrett, Keir Becker, Helmut Beiersdorf, Michael Bender, Peter E. Borella, Toshio Furuta, Hans-Wolfgang Hubberten, Steven C. Jones, Shun-ichiro Karato, Christine Laverne, Shaul Levi, Areg G. Migdisov, S. Anthony Moorby, Michael J. Mottl, Yves Noack, Constance A. Sancetta, Edward L. Schrader, Roy H. Wilkens, Larry N. Stout and Marian G. Bailey. Initial Reports of the Deep Sea Drilling Project, Vol.69, p.395-422. Publisher: Texas A & M University, Ocean Drilling Program, College Station, TX, United States. ISSN: 0080-8334 CODEN: IDSDA6
Note: In English. 41 refs.; illus. incl. 19 anal., 4 tables, 13 plates, strat. col., sketch map
Summary: Chert, porcellanite and other silicified rocks formed in response to high heat flow. The transformation from opal-A to opal-CT began near 50°C; opal-CT transformed to quartz near 55°C.
Year of Publication: 1983
Research Program: DSDP Deep Sea Drilling Project
IPOD International Phase of Ocean Drilling
Key Words: 06 Petrology, Sedimentary; Carbonate rocks; Cenozoic; Chalk; Chemically precipitated rocks; Chert; Clastic rocks; Costa Rica Rift; Deep Sea Drilling Project; Diagenesis; East Pacific; Equatorial Pacific; Framework silicates; Geochemistry; Heat flow; IPOD; Leg 69; Lithostratigraphy; Miocene; Neogene; Oceanography; Opal; Opal-A; Opal-CT; Pacific Ocean; Panama Basin; Petrology; Porcellanite; Processes; Quartz; Sedimentary petrology; Sedimentary rocks; Silica minerals; Silicates; Siliceous composition; Silicification; Solution; Tertiary; Thermal alteration; Upper Miocene
Coordinates: N010000 N020000 W0834000 W0835000
Record ID: 1983052501
Copyright Information: GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom