Environmental Engineering Reference
In-Depth Information
Cont'd
Environmental
setting
Background
fabrics
Recurring
ichnotaxa
Age, material,
and location
Substrate
Ichnofacies
Source
Outer shelf
Softground
Zoophycos
Homogeneous,
burrow-mottled
Ch, Zo, Th, Ba
Cretaceous, chalks, England,
and France
Kennedy (1970) and
Mortimore and
Pomerol (1991)
Pl, Ch, Zo, Ta,
Ph, Th
Cretaceous, chalks and marls,
Denmark
Ekdale and Bromley
(1982, 1991) and
Lauridsen et al. (2011)
Pl, Ch, Zo, Te,
Ta, Ph, Th
Cretaceous, Alabama, USA,
Demopolis Chalk
Frey and Bromley
(1985) and Locklair
and Savrda (1998a,b)
Pl, Zo, Th
Cretaceous, Annona Chalk,
Arkansas, USA
Bottjer (1986)
Epeiric basin
Softground
Zoophycos
Homogeneous,
burrow-mottled
Pl, Ch, Zo, Te,
Ta, Th, Tr, As, La
Cretaceous, Niobrara
Formation, U.S. Western
Interior
Frey (1970) and Savrda
(1998a)
Pl, Ch, Zo, Te,
Ta, Th, Tr
Cretaceous, Bridge Creek
Limestone, U.S. Western
Interior
Hattin (1971) and
Savrda (1998b)
Shallower shelf Softground
Cruziana
Homogeneous,
burrow-mottled
Th, Ch, Pl
Cretaceous, chalks, England
Kennedy (1975)
Th, Pl
Cretaceous, Saratoga and
Annona Chalks, Arkansas, USA
Bottjer (1985, 1986)
Th, Ch, Cy, Tr,
Te, Sk
Cretaceous, Prairie Bluff Chalk,
Alabama, USA
Frey and Bromley
(1985)
Th, Cy, Ch, Pl
Cretaceous, middle and upper
Austin Chalk, Texas, USA
Dawson and Reaser
(1985, 1990)
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