1. The timing of paleoceanographic and tectonic events that shaped the deposition of the Monterey Formation of California and related siliceous rocks has been determined by application of a refined biochronology. The base of the Monterey at 17.5 Ma coincides with rising global sea level and a switch in biogenous silica deposition from the Caribbean and low-latitude North Atlantic to the North Pacific
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  3. pubs.geoscienceworld.org

    Geological Society of America. Volume. 556. DOI: ... 5-1-5, Kashiwanoha, Kashiwa, Chiba 277-8564, Japan, and Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan ... Open the PDF Link PDF for Refined assessment of the paleoceanographic and tectonic ...
  4. Nov 5, 2024The tool documented a 90% decline in the kelp canopy around the Monterey Peninsula over the past 10 years. Yet Monterey Bay is emerging as a model for a new kind of conservation—one that looks across borders and biomes to consider the natural system in its entirety. "These ecosystems are interconnected," Dempsey says.
  5. Geophysical data and sea floor samples collected from the continental shelf and slope between Ano Nuevo Point and Point Sur, California indicate that the Monterey Bay region has had a complex late Cenozoic tectonic history. Uplift and depression have produced a succession of regressive and transgressive sedimentary units, while contemporaneous right-slip along faults of the San Andreas system have
  6. pubs.geoscienceworld.org

    The tectonic and structural evolution of the Monterey Bay region of central California is complex and diverse. Onshore and offshore geologic investigations during the past two decades indicate that the region has been subjected to at least two different types of tectonic forces; to a pre-Neogene orthogonal converging plate (subduction) and a Neogene-Quaternary obliquely converging plate ...
  7. Application of updated diatom biochronology to the Monterey Formation and related biosiliceous rocks reveals the imprint of both global paleoclimatic/ paleoceanographic and regional tectonic events. A rise in global sea level combined with regional tectonic deepening associated with the development of the transform California margin resulted in the abrupt onset of deposition of fine-grained Monte
  8. pubs.usgs.gov

    The complex geologic setting and rich biologic resources of Monterey Bay and central California combine to form a unique marine environment of national importance. In 1992, this importance was officially recognized with the establishment of the Sanctuary is a prequisite for wise preservation and protection of the national treasure.
  9. pubs.usgs.gov

    1-2), lies within Monterey Bay in central California. Monterey Bay is one of the largest embayments along the west coast of the United States, spanning 36 km from its northern to southern tips (in Santa Cruz and Monterey, respectively) and 20 km along its central axis. Not only does it contain one of the
  10. pubs.usgs.gov

    Geophysical data and sea floor samples collected from the continental shelf and slope between Ano Nuevo Point and Point Sur, California indicate that the Monterey Bay region has had a complex late Cenozoic tectonic history. Uplift and depression have produced a succession of regressive and transgressive sedimentary units, while contemporaneous right-slip along faults of the San Andreas system ...
  11. searchanddiscovery.com

    The Monterey Formation of California: New Research Directions * Richard J. Behl1 . Search and Discovery Article #10435 (2012)** ... diagenesis and deformation vary with depositional environment, primary composition and structural setting? ... Earth and Planetary Science Letters, v. 222/1, p. 243-258. Davies, R.J., M.T. Ireland, and J.A ...
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