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Effects of Past Global Change on Life (1995) / Chapter Skim
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Pages 64-68

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
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From page 64...
... Is there a linkage among these varied data, their interpretations, and the causal mechanisms of mass extinction, especially the abruptness with which large-scale geochemical fluctuations and correlative extinction events initiate and perpetuate in the late Cenomanian and into the early Turonian? There is a high probability that such a relationship exists, that the C-T mass extinction was multicausal, with meteor/comet impacts into Cenomanian oceans already highly stratified, largely oxygen-depleted, and rich in sequestered trace elements-causing rapid stirring, overturn, and advection events, and dramatically changing the thermal and chemical regimes of the water column up into the mixing zone.
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From page 65...
... Stratigraphy and depositional environments of the Bridge Creek Limestone Member of the Greenhorn Limestone at Rock Canyon Anticline near Pueblo, Colorado, in Fine-Grained Deposits and Biofacies of the Cretaceous Western Interior Seaway: Evidence of Cyclic Sedimentary Processes, L
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From page 66...
... (1985~. Cretaceous evolution of the Western Interior Basin of the United States, in Fine-Grained Deposits and Biofacies of the Cretaceous Western Interior Seaway: Evidence of Cyclic Sedimentary Processes, L
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From page 67...
... (1985~. Foraminifera of the Cenomanian-Turonian boundary interval, Greenhorn Formation, Rock Canyon Anticline' Colorado, in Fine-Grained Deposits and Biofacies of the Cretaceous Western Interior Seaway: Evidence of Cyclic Sedimentary Processes, L
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From page 68...
... ( 1985~. High-resolution Stratigraphy and paleobiology of the Hartland Shale Member: Analysis of an oxygen-deficient epicontinental sea, in Fine-Grained Deposits and Biofacies of the Cretaceous Western Interior Seaway: Evidence of Cyclic Sedimentary Processes, L
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Key Terms

  • trace element
  • late cenomanian
  • extinction interval
  • interior basin
  • western interior

  • extinction events
  • cretaceous western
  • sedimentary processes
  • cyclic sedimentary
  • mass extinction

  • trace elements
  • bridge creek
  • boundary interval
  • creek limestone
  • cenomanian extinction

  • adaptive ranges
  • late ordovician
  • milankovitch climate
  • paleobiological data
  • greenhouse world

  • biodiversity crisis
  • global biodiversity
  • advection events
  • rocky mountain
  • mass mortality

  • climate cycles
  • planktic foraminifera
  • ancient mass
  • sequestered trace
  • climate cycle


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