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Friday fold: differential weathering of carbonate intraclasts in mudstone

Source info:

Author:
Date: 2014-06-06 14:02:08
Blog: Mountain Beltway
URL: http://blogs.agu.org/mountainbeltway/2014/06/06/friday-fold-differential-weathering-carbonate-intraclasts-mudstone/

Summary:

Howard Allen is the documentarian of this week’s fold: Howard writes that this is: Middle Cambrian Chancellor Formation rock with recessive weathering intraclasts(?). Hamilton Lake trail, Yoho National Park, British Columbia. My interpretation of this one is a little shaky–it was raining when I took the photo (in 1982) and I was hiking with a non-geologist friend, so I didn’t linger at the outcrop or record the precise location. I …

Content analysis:

Stratigraphic context:

Recognized stratigraphic terms [n]:Middle Cambrian [1]
Agenames chronostratigraphy [rating]:Middle Cambrian [0.1]
Cambrian [0.1]
Paleozoic [0.1]
Phanerozoic [0.1]

Geographic context:

LocationCountryLatitudeLongitude
Hamilton LakeUS32.5925-85.4218
Yoho National ParkCA51.3623-116.506

Keywords:

british columbia, Cambrian Chancellor Formation, carbonate intraclasts, differential weathering, documentarian, Friday fold, Hamilton Lake trail, interpretation, linger, mudstone Howard Allen, non-geologist friend, outcrop, precise location, recessive weathering intraclasts, rock, Yoho National Park

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