General Geology Report GBureau of Topographic and Geologic Survey., 1978 - Geology |
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Contents
Preface iii | 1 |
Detailed Middle Devonian stratigraphy | 8 |
References | 18 |
Copyright | |
5 other sections not shown
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Common terms and phrases
Alethopteris Alleghenian Westphalian angle Anthracite coal basin apex apices Appalachian regions Asterophyllites Baltimore coal bed base border Brongniart WPMM Buck Mountain Canada central and Appalachian cistii Clair colluvium complete synonymy Conemaughian Cordaites Creek Crookall Darrah decurrent deposits DESCRIPTION distal margin DISTRIBUTION drift end moraine Europe figs Figure fossil plants Germar glacial Gothan and Remy grained Group Westphalian Kidston lamina lateral veinlets leaf scar leaves Lepidodendron Lepidostrobophyllum Lesquereux Linopteris Llewellyn Formation lobes LOCALITY lonchitica Lower Permian Mahantango Formation Mariopteris median vein midvein Monongahelan Montebello Morien Pictou Neuropteris Neuropteris ovata nodes Northern Nova Scotia Novik oblique Olean ovata Hoffmann Pecopteris Pennsylvania Pictou Pictou Group pinnae pinnules Pottsville Pottsvillian quadrangle rachis ribs Ridge Member Sandstone scheuchzeri Schlotheim serlii shale Sigillaria siltstone slightly Southern Anthracite coal species is known Sphenophyllum Sphenopteris stem Stephanian Sternberg straight strata Sydney coal field synonymy text-figs thick thracite Turkey Ridge United upper valley venation Wanamie Westphalian whorl Wilkes-Barre Zeiller