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Tag Archives: Cretaceous
Wooster’s Fossils of the Week: Three cobble-dwelling oysters from the Upper Cretaceous of southern Israel
These fossils of the week, three well-worn cemented oysters, are highlighted to celebrate the final acceptance this past week of a manuscript that describes their geological setting and significance: Wilson et al., 2012 (see reference below). They are attached to … Continue reading
A windy, windy day in the Cretaceous
MITZPE RAMON, ISRAEL–Melissa and I finished our work in the Jurassic of Makhtesh Gadol yesterday, so today we went out with Yoav to explore the Upper Cretaceous and Eocene exposures just a few kilometers north of Mitzpe Ramon. This is … Continue reading
Wooster’s Fossil of the Week: A holey brachiopod (Lower Cretaceous of southeastern Spain)
This striking and unusual brachiopod is Pygites diphyoides (d’Orbigny, 1847) from Hauterivian (Lower Cretaceous) of Cehegin, Murcia, Spain. Wooster acquired it through a recent generous exchange of brachiopods with Mr. Clive Champion in England. I had heard about this brachiopod … Continue reading
Geology and art meet with a ceramic creation from the Cretaceous extinctions
In August 2010 I had a fantastic geologic field trip to the tunnels of Geulhemmmerberg, The Netherlands, to see an unusual exposure of the Cretaceous-Paleogene boundary. There I collected a fist-sized sample of the famous boundary clay, which is found … Continue reading
Wooster’s Fossil of the Week: a baculitid ammonite (Cretaceous of Wyoming)
This is a specimen I often place on my Invertebrate Paleontology course lab tests. It is the “straight” ammonite Baculites, which is common enough, but the shell and internal walls (septa) have dissolved completely away, leaving this strangely articulated set … Continue reading
Wooster’s Fossil of the Week: a venerid bivalve (Upper Cretaceous of Jordan)
This summer I joined a team describing a shell bed in the Upper Cretaceous (lower Campanian, about 80 million years old) Wadi Umm Ghudran Formation exposed northeast of Amman, Jordan (at N 32° 09.241′, E 36° 12.960′, to be exact). … Continue reading
Mishash, b’gosh
MITZPE RAMON, ISRAEL–Today Will and I drove south, east and north to meet Dr. Yael Edelmen-Furstenburg of the Geological Survey of Israel. She gave us a most excellent tour of the Mishash (pronounced ME-shawsh) Formation (Campanian, Upper Cretaceous) in the … Continue reading
A wall of Cretaceous ammonites
MITZPE RAMON, ISRAEL–On our way back from Eilat this afternoon, Will and I took a short hike to see the “Ammonite Wall” on the southern outside beds of Makhtesh Ramon. It is an impressive tilted array of large ammonites in … Continue reading
Cobbling together a Late Cretaceous story
MITZPE RAMON, ISRAEL–This morning Will and I finished our work with the Zihor/Menuha boundary cobbles. We drove to the southern side of Makhtesh Ramon (pictured above) to see the same units we examined 25 kilometers to the north in Wadi … Continue reading
The Ora Formation: A future student project?
MITZPE RAMON, ISRAEL–I’ve always enjoyed seeing the Ora Formation, which is exposed only in Makhtesh Ramon and to the south. It is early Late Turonian in age, so it is part of the Upper Cretaceous and about 90 million years … Continue reading