José Rafael Garrido

Ministry of Agriculture Livestock and Fisheries

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David A Hodell

University of Cambridge

Paul A. Mueller

University of Florida

Juan Picos

Universidade de Vigo

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Álvaro Camiña

Gobierno de Aragón

René I. Alfaro

Canadian Forest Service

John S. Compton

University of Cape Town

David J. Mallinson

East Carolina University

Cristina Lopez‐Hernandez

University of Miami

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University of Florida

Universidade de Vigo

Sligo University Hospital

Universidad de Huelva

Louisiana Department of Natural Resources

Gobierno de Aragón

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Canadian Forest Service

Natural Resources Canada

Cambridge University Press

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Variations in the strontium isotopic composition of seawater during the Neogene

Geology (1991)

David A Hodell Paul A. Mueller José Rafael Garrido

Research Article| January 01, 1991 Variations in the strontium isotopic composition of seawater during the Neogene David A. Hodell; David A. Hodell 1Department of Geology, University of Florida, Gainesville, Florida 32611 Search for other works by this author on: GSW Google Scholar Paul A. Mueller; Paul A. Mueller 1Department of Geology, University of Florida, Gainesville, Florida 32611 Search for other works by this author on: GSW Google Scholar Jose R. Garrido Jose R. Garrido 1Department of Geology, University of Florida, Gainesville, Florida 32611 Search for other works by this author on: GSW Google Scholar Geology (1991) 19 (1): 24–27. https://doi.org/10.1130/0091-7613(1991)019<0024:VITSIC>2.3.CO;2 Article history first online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation David A. Hodell, Paul A. Mueller, Jose R. Garrido; Variations in the strontium isotopic composition of seawater during the Neogene. Geology 1991;; 19 (1): 24–27. doi: https://doi.org/10.1130/0091-7613(1991)019<0024:VITSIC>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract We report 261 strontium isotopic analyses of well-preserved planktonic foraminifers from three Deep Sea Drilling Project Sites (519, 588, and 607). These samples cover the period from 24 Ma to present with an average of approximately one sample per 100 ka. The combination of high sample density and uniformity of analytical procedures has produced a well-defined record of changes in the 87Sr/86Sr of seawater during the Neogene. The record can be viewed as a series of essentially linear segments with slopes ranging from as high as 6 x 10-5/m.y. to as low as 0/m.y. The times associated with major inflections in the curve do not appear to correspond to simple geologic phenomena such as eustatic cycles, but are probably controlled by a combination of tectonic and climatic factors that influenced the abundance and isotopic composition of terrestrial strontium input to the oceans. The strontium isotopic data are consistent with a progressive increase in the chemical weathering rates of the continents during the Neogene, probably related to repeated glaciations, increased exposure of continents by lowered sea level, and increased continental relief resulting from high rates of tectonic uplift. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.

Neogene

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10.1130/0091-7613(1991)019<0024:vitsic>2.3.co;2

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Citations (291)

Strontium isotopic composition and chronology of sediments from DSDP Site 90-588

David A Hodell Paul A. Mueller José Rafael Garrido

Chronology

Isotopes of strontium

10.1594/pangaea.712023

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Citations (0)

Origin and age of phosphorite from the south-central Florida Platform: Relation of phosphogenesis to sea-level fluctuations and δ13C excursions

Geochimica et Cosmochimica Acta (1993)

John S. Compton David A Hodell José Rafael Garrido David J. Mallinson

Phosphorite

Fluorapatite

10.1016/0016-7037(93)90474-b

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Citations (83)

A New Threat to European Vultures

Science (2014)

Álvaro Camiña José Rafael Garrido Juan Picos Cristina Lopez‐Hernandez René I. Alfaro

A decade ago, diclofenac was found to be responsible for the collapse of the Indian vulture populations ([ 1 ][1]). Banning its use and that of related anti-inflammatory nonsteroidal drugs allowed the beginning of a population recovery ([ 2 ][2]). However, Europe may now face a similar threat, as

Vulture

Diclofenac

10.1126/science.344.6180.150-a

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Citations (11)