Drilling and dating New Jersey oligocene-miocene sequences: Ice volume, global sea level, and exxon records

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Abstract

Oligocene to middle Miocene sequence boundaries on the New Jersey coastal plain (Ocean Drilling Project Leg 150X) and continental slope (Ocean Drilling Project Leg 150) were dated by integrating strontium isotopic stratigraphy, magnetostratigraphy, and biostratigraphy (planktonic foraminifera, nannofossils, dinocysts, and diatoms). The ages of coastal plain unconformities and slope seismic reflectors (unconformities or stratal breaks with no discernible hiatuses) match the ages of global δ18O increases (inferred glacioeustatic lowerings) measured in deep-sea sites. These correlations confirm a causal link between coastal plain and slope sequence boundaries: both formed during global sea-level lowerings. The ages of New Jersey sequence boundaries and global δ18O increases also correlate well with the Exxon Production Research sea-level records of Haq et al. and Vail et al., validating and refining their compilations.

Original languageEnglish (US)
Pages (from-to)1092-1095
Number of pages4
JournalScience
Volume271
Issue number5252
DOIs
StatePublished - Feb 23 1996

All Science Journal Classification (ASJC) codes

  • General

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