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 |
도서 본문에서
24개의 결과 중 1 - 5개
1 페이지
... of siliceous or calcareous character ; to this succeed occasional exposures of a coarse - grained sandstone , 1 M GENERAL GEOLOGICAL FEATURES OF THE COUNTRY Page General, physical, and geological features of the country.
... of siliceous or calcareous character ; to this succeed occasional exposures of a coarse - grained sandstone , 1 M GENERAL GEOLOGICAL FEATURES OF THE COUNTRY Page General, physical, and geological features of the country.
2 페이지
... sandstone , No. 1. Still farther inland we meet with a form of soft calcareous earthy rock outcropping along the sides of hills , and constituting the first outlayer of that extensive cretaceous formation which characterizes so large a ...
... sandstone , No. 1. Still farther inland we meet with a form of soft calcareous earthy rock outcropping along the sides of hills , and constituting the first outlayer of that extensive cretaceous formation which characterizes so large a ...
32 페이지
... sandstone , ( partly chloritic ? ) varying in grain , color , and cohesion , constitutes the main part of this formation . This resembles very much , if it is not in reality , the green sandstone or chloritic chalk itself . Its northern ...
... sandstone , ( partly chloritic ? ) varying in grain , color , and cohesion , constitutes the main part of this formation . This resembles very much , if it is not in reality , the green sandstone or chloritic chalk itself . Its northern ...
35 페이지
... sandstone shoals . The solidity of the strata varies very much . They are sometimes formed into very solid rocks , well suited for mechanical or architectural operations ; again , they consist of loose and coarsely - grained sandstone ...
... sandstone shoals . The solidity of the strata varies very much . They are sometimes formed into very solid rocks , well suited for mechanical or architectural operations ; again , they consist of loose and coarsely - grained sandstone ...
37 페이지
... sandstone often intersects the green sand , and forms at a number of points massive walls of considerable extent ; the adhesive quality of the particles of this rock , however , is often not very persistent . Its inside is very soft and ...
... sandstone often intersects the green sand , and forms at a number of points massive walls of considerable extent ; the adhesive quality of the particles of this rock , however , is often not very persistent . Its inside is very soft and ...
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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