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Scientists track the brain-skull transition from dinosaurs to birds（图）
Scientists brain-skull transition dinosaurs birds
2017/9/20
The dramatic, dinosaur-to-bird transition that occurred in reptiles millions of years ago was accompanied by profound changes in the skull roof of those animals — and holds important clues about the w...
Jaws and dentition in an Early Triassic,3-dimensionally preserved eugeneodontid skull(Chondrichthyes)
Neutron scan Oral dentition Skull Jaws Eugeneodontid Early Triassic
2009/10/20
Neutron scans of a concretion with a 3-dimensionally preserved partial skull from the Lower Triassic Vega Phroso Siltstone Member of the Sulphur Mountain Formation (western Canada), previously assigne...
Relationship Between Illite/Smectite Diagenesis and Hydrocarbon Generation in Lower Cretaceous Mowry and Skull Creek Shales of the Northern Rocky Mountain Area
Diagenesis Hydrocarbon Illite/smectite Interstratification Maturation Pyrolysis Shale
2012/1/12
The percentage of expandable layers in illite/smectite (I/S) mixed-layer clay decreases with increasing temperature and depth in a section through marine Cretaceous shales in the Champlin 1 Hartley Fe...