Estimated Growth Rate of Redwall Limestone
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Calculations for the growth rate of the Redwall (which entombs millions of nautiloids in its basal layer).
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rsr.org/gc2#nautiloids
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RWL overlies Temple Butte Limestone:
363million years ago
en.wikipedia.org/wiki/Temple_Butte_Limestone
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Underlies Surprise Canyon Formation:
325million years ago
en.wikipedia.org/wiki/Surprise_Canyon_Formation
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Redwall Limestone formed over a:38million year period
en.wikipedia.org/wiki/Redwall_Limestone
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Redwall Limestone is:500feet thick
en.wikipedia.org/wiki/Redwall_Limestone
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to:800feet thick
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or
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6000inches thick
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to:9600inches thick
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therefore taking:6,333years per inch
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to:3,958
years per inch to form.
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Notes:
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The bottom layer is not as pure as the the rest of the wall. It's a conglomerate containing a lot of gravel.
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The Redwall's "upper contact [with Temple Butte] is a disconformity that characteristically is a nearly horizontal surface with little or no relief [elevation difference]."
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"Locally, the bottom unconformity of the Redwall Limestone contains a basal conglomerate that directly rests upon this bottom unconformity. This basal conglomerate is typically composed of gravel that is locally derived from the underlying Temple Butte or Muav Limestone."
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See another RSR spreadsheet:
tiny.cc/biomaterial-fossils-list
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