Gerta Keller, Professor of Geosciences, Emeritus Volcanism, Impacts and Mass Extinctions

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Gerta Keller, Professor of Geosciences, Emeritus
Volcanism, Impacts and Mass Extinctions

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  • About
  • Research Topics
    • Deccan Volcanism and the KTB Mass Extinction
    • Global Effects of Deccan volcanism
    • Geochronology of Volcanic eruptions and Red Boles
    • Age of Chicxulub impact and relationship to the KTB mass extinction
    • Mass wasting in the North Atlantic not related to Chicxulub Impact
  • Chicxulub
    • Introduction to The Impact Controversy
    • 1. Chicxulub - The Non-Smoking Gun
    • 2. The Impact Controversary
    • 3. Haiti: Hunt for Confirmation of KTB Age
    • 4. Mexico: Impact-Tsunami to the Rescue
    • 5. Impact Crater Redux – Drilling 2000-2001
    • 6. Primary Impact Spherule Ejecta Discovered – El Penon, NE Mexico
    • 7. Chicxulub Impact and the KTB Mass Extinction
    • 8. The Pre-KTB Age of Chicxulub Impact — NE Mexico
    • 9. North Atlantic the Ultimate Proof? Aaahh the KTB Unconformity!
    • 10. The KTB in Texas — Chicxulub Confirmed Pre-KTB Age
    • 11. Conclusions – Based on 30 Years of Research
  • Deccan Volcanism
    • Introduction: Volcanism and Impact Hypotheses Collide
    • 1. Deccan Volcanism – An Adventure in Science
    • 2. Rajahmundry Quarries – First Direct Link to KTB
    • 3. Krishna-Godavari Basin – Pulsed Mega-Eruptions
    • 4. Mass Extinction and Deccan Mega-Eruptions
    • 5. Central India – Seaway & Dinosaur Nurseries
    • 6. Meghalaya, NE India – Deccan Catastrophe Strikes
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  • Publications
    • Cretaceous Anoxic Events
    • Deccan Volcanism and Mass Extinction
    • Mass Extinction KTB: Climate Change
    • Miscellaneous Events
    • Paleocene-Eocene Thermal Maximum and Eocene Climate Events
    • Chicxulub Impact and Mass Extincetion

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  • Cretaceous Anoxic Events
  • Deccan Volcanism and Mass Extinction
  • Mass Extinction KTB: Climate Change
  • Miscellaneous Events
  • Paleocene-Eocene Thermal Maximum and Eocene Climate Events
  • Chicxulub Impact and Mass Extincetion

Morphologic variation of Neogloboquadrina pachyderma (Ehrenberg) in sediments of the marginal and central Northeast Pacific Ocean and paleoclimatic interpretation

Author
G. Keller
Publication Year
1978

Type

Journal Article
Journal
The Journal of Foraminiferal Research
Volume
8
Pages
208–224
Date Published
jul
URL
External link to reference
DOI
10.2113/gsjfr.8.3.208
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  • EndNote X3 XML

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Contact info

Professor of Geosciences, Emeritus
Department of Geosciences
Princeton University
Email: [email protected]

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