Report on the United States and Mexican Boundary Survey: Made Under the Direction of the Secretary of the Interior, 1권,파트 2C. Wendell, printer, 1857 |
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iii 페이지
... PALEONTOLOGY AND GEOLOGY OF THE BOUNDARY , BY JAMES HALL , OF ALBANY , NEW YORK . DESCRIPTION OF CRETACEOUS AND TERTIARY FOSSILS , BY T. A. CONRAD , ESQ . 1 CONTENTS . - PART II . CHAPTER I. GENERAL.
... PALEONTOLOGY AND GEOLOGY OF THE BOUNDARY , BY JAMES HALL , OF ALBANY , NEW YORK . DESCRIPTION OF CRETACEOUS AND TERTIARY FOSSILS , BY T. A. CONRAD , ESQ . 1 CONTENTS . - PART II . CHAPTER I. GENERAL.
vii 페이지
... cretaceous strata of the United States with reference to the relative position of the fossils collected by the boundary commission ..... 126-138 Remarks upon the tertiary formation ; Cretaceous formation ; Carboniferous formation ...
... cretaceous strata of the United States with reference to the relative position of the fossils collected by the boundary commission ..... 126-138 Remarks upon the tertiary formation ; Cretaceous formation ; Carboniferous formation ...
2 페이지
... cretaceous formation which characterizes so large a scope of country throughout middle and northwestern Texas . From San Antonio , occupying the first step in the cretaceous series , at an elevation of 600 feet above the Gulf of Mexico ...
... cretaceous formation which characterizes so large a scope of country throughout middle and northwestern Texas . From San Antonio , occupying the first step in the cretaceous series , at an elevation of 600 feet above the Gulf of Mexico ...
4 페이지
... cretaceous fossils were collected , is 2,807 feet . This shows a rise of 1,800 feet from the lowest series of this formation , ( the mouth of Devil's river , ) and 2,200 feet above San Antonio , giving an average rise of 7 feet to the ...
... cretaceous fossils were collected , is 2,807 feet . This shows a rise of 1,800 feet from the lowest series of this formation , ( the mouth of Devil's river , ) and 2,200 feet above San Antonio , giving an average rise of 7 feet to the ...
8 페이지
... fossils as belonging to the Cretaceous period . A greater or less metamorphism of this or a more ancient sedimentary rock is also exhibited , while on either side of the river tower up to a height of 500 to 1,000 feet rugged igneous rocks ...
... fossils as belonging to the Cretaceous period . A greater or less metamorphism of this or a more ancient sedimentary rock is also exhibited , while on either side of the river tower up to a height of 500 to 1,000 feet rugged igneous rocks ...
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adjoining alluvial Ammonites basin beds belt bluffs Boundary Survey breccia calcareous cañon Caprina carbonate carboniferous limestone character clay coal measures coast collections color Colorado compact composed connexion containing copper Cordilleras course creek cretaceous cretaceous formation cretaceous fossils cretaceous strata crystalline deposits desert diluvial Eagle Pass El Paso elevation exhibit Exogyra exposures extensive feet feldspar feldspathic fossils Frémont frequently geological granite gravelly table-land green sand igneous rocks Inoceramus irregular Jersey lava lignite localities lower valve marked marl mass metamorphic rocks miles mineral Missouri mountain range mouth Nebraska numerous occur Ostrea Paso Pitcheri plain PLATE porphyritic portion present problematicus quartz region ribs ridge Rio Bravo river rocky Roemer San Pedro sandstone Santa shell side Sierra similar slope Sonoyta southwest species specimens springs strata stratified stream summit surface Tertiary formation TEXANA Texas texture thick umbo upper valley various vicinity volcanic