Dinosaurs Rediscovered: New Findings which are Revolutionizing Dinosaur ScienceFrom dinosaurs smaller than chickens to the biggest beasts ever to walk the Earth, here is the exciting story of recent discoveries about dinosaurs and the scientists who made them. Informal and informative.--The Boston Globe. Lessem wrote and hosted a recent Nova series on dinosaurs. Photos and drawings. |
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Page 28
... rocks near the sur- face . If you locate strata of rock from land of dinosaurian age - 225 million to 65 million years old — the prospects are good you'll find dinosaurs in them . But only in badlands , where an environment of ...
... rocks near the sur- face . If you locate strata of rock from land of dinosaurian age - 225 million to 65 million years old — the prospects are good you'll find dinosaurs in them . But only in badlands , where an environment of ...
Page 116
... rock can be dated geochemically with more than 99 percent accuracy to the moment when it was created . Geochemical dating of volcanic rock involves measurements of ra- dioactive trace elements . The ratio of one unstable element to its ...
... rock can be dated geochemically with more than 99 percent accuracy to the moment when it was created . Geochemical dating of volcanic rock involves measurements of ra- dioactive trace elements . The ratio of one unstable element to its ...
Page 204
... rock wall . The last found , Slippery Rock , proved the most productive , but not quickly . A rock - drilling company donated its equipment and services to help Rich dig a tunnel at Slippery Rock . With scarcely a week left in the 1986 ...
... rock wall . The last found , Slippery Rock , proved the most productive , but not quickly . A rock - drilling company donated its equipment and services to help Rich dig a tunnel at Slippery Rock . With scarcely a week left in the 1986 ...
Contents
The Truth About Dinosaurs | 15 |
Glossary of Essential Terms | 23 |
Approaching the Dinosaur Frontier | 27 |
Copyright | |
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Common terms and phrases
Alvarez anatomy ancestors Andrews Archaeopteryx Asia asteroid Australia badlands Bakker birdlike birds Chatterjee Chatterjee's China cladistic climate creatures Currie Dashanpu digging dino dinosaur bones Dinosaur Cove dinosaur eggs dinosaur extinction dinosaur fossils dinosaur paleontologists discovered discoveries Dong duckbilled dinosaurs duckbills Early Cretaceous earth environment evidence evolution evolutionary excavated feet long Flaming Cliffs footprints fossil record fossils Geological Gillette Gobi hadrosaur Herrerasaurus horned dinosaurs Horner huge hundred hypsilophodont iguanodonts impact Ischigualasto Jensen Jurassic K/T boundary known Late Cretaceous mammals McIntosh miles million years ago Mongolia Montana Museum of Natural Natural History nests North America numbers Olsen Padian paleon paleontologists Paul Sereno Peter Dodson Phil Currie plant-eaters plants predator Protoavis quarry reptiles Rich Robert Bakker rock sandstone sauropods saurs says scientific scientists sediments Seismosaurus skeletons skull species stegosaurs suggested Supersaurus Szechwan teeth theropods Triassic Troodon Tyrrell Museum Ultrasauros Ultrasaurus University warm-blooded Wassons Bluff Weishampel young