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Milankovitch Cycles in electrical resistivity logs from the Toa Baja Scientific Drillhole, Puerto Rico
Author(s) -
Maltezou Fotini,
Anderson Roger N.
Publication year - 1991
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/91gl00393
Subject(s) - milankovitch cycles , geology , sedimentation , chronology , sequence (biology) , paleontology , geomorphology , sediment , glacial period , biology , genetics
Milankovitch cycles in the upper part of the Toa Baja drillhole, detected by geophysical logs, are used to estimate sedimentation rates, and to localize the depths at which sedimentation rate changes occur. The log‐derived age information is then combined with reference dates from palaeontological data and the “Vail” global sea‐level curve to build a detailed record of the chronology of the upper stratigraphic sequence in the well.