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| Stop 1: St. George Dinosaur
Discovery Site
at Johnson Farm. Lunch
an examination of tracksite an stratigraphy of lower Whitmore Point
Member of the Moenave Formation of ?Late Triassic to Early Jurassic age (from www.waymarking.com). |
Stop 1: Examples of natral casts of footprints from the St. George Dinosaur Discovery Site. A, Eubrontes giganteus, made by a large theropod dinosaur; B, Eubrontes (Anchisauruipus) sillimani, made by a small theropod dinosaur (From Olsen et al., Scientific Drilling). |
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| Stop 2: Base of
Warner Valley section. In forground are the pale grey to red bes of the
Moenkopi Formation of Lower to Midle Triassic in age. The rige on right
is capped by yellowish Shinarump Conglomerate of the Late Triassic age
Chinle Formation. |
Stop 3: In
foreground are gray, yellow an red lacustrine strata of the Whitemore
Point Member of the Moenave Fomration in Warner Valley.
Lacustrine strata have abunant articulated to fragmentary fossil
fish, mostly Semionotus. The pale sandstone at the top of the ravine is the Springale Sanstone of the Kayenta Formation. |
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| Stop 3: Upper part
of Warner Valley section. In foreground is the silty facies of the
Kayenta Formation of Early Jurassic age. The cliffs are a sandy facies
of the Kayenta transitional into the overlying Navajo Sandstone, also
of Early Jurassic age. |
Stop 4: Contact
between Late Triassic age Chinle Formation purple mudstone and
overlying ?Late Triassic-Early Jurassic Dinosaur Canyon of the Moenave
Formation. The contact zone is riddled with gypsum, at least most of
which appears post-depositional. See cpcp_07_results.html for identification of the people. |
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| Stop 5: Warner
Valley dinosaur tracksite in lower silty facies of the Kayenta
Formation of Early Jurassic age, just above the Springdale Sanstone of
the Kayenta. Courtesy of Sarah Spears. |
Stop 5: Examples of Eubrontes giganteus from the Warner Valley dinosaur tracksite. A, trackways; B, right pes impression (second track from the bottom in A). Image A is courtesy of Sarah Spears. |