A late Miocene low-nutrient window for Caribbean reef formation?

K. L. Maier, James Klaus, D. F. McNeill, A. F. Budd

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Miocene and Pliocene reef tracts of the Caribbean were less common and smaller than older Oligocene and younger Pleistocene to Recent reefs. In the present study, samples from the Arroyo Bellaco exposures in the Cibao Valley, northern Dominican Republic were analyzed for 87Sr/86Sr to refine the age for a rare, well-developed Mio-Pliocene reef sequence. A mean age of 6.2 million years old (Ma) was determined for the reef. This age places the reef in the latter part of the late Miocene Messinian stage. The reef originated in a low-nutrient window at the end of a global cooling event and sea level lowstand, coincident with a period of decreased upwelling intensity from 6.2 to 5.8 Ma. Reef demise is attributed to a latest Miocene transgression and an associated pulse of marine siliciclastic deposition.

Original languageEnglish (US)
Pages (from-to)635-639
Number of pages5
JournalCoral Reefs
Volume26
Issue number3
DOIs
StatePublished - Sep 2007

Fingerprint

reef formation
reefs
reef
Miocene
nutrient
nutrients
Pliocene
Dominican Republic
transgressive segregation
Messinian
lowstand
transgression
sea level
Oligocene
upwelling
valleys
Pleistocene
cooling
valley

Keywords

  • Coral reef
  • Dominican Republic
  • Late Miocene
  • Strontium isotopes

ASJC Scopus subject areas

  • Aquatic Science

Cite this

A late Miocene low-nutrient window for Caribbean reef formation? / Maier, K. L.; Klaus, James; McNeill, D. F.; Budd, A. F.

In: Coral Reefs, Vol. 26, No. 3, 09.2007, p. 635-639.

Research output: Contribution to journalArticle

Maier, K. L. ; Klaus, James ; McNeill, D. F. ; Budd, A. F. / A late Miocene low-nutrient window for Caribbean reef formation?. In: Coral Reefs. 2007 ; Vol. 26, No. 3. pp. 635-639.
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