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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16 페이지
... breccias . These several forms , variously associated , serve to give a remarkable diversity and broken character to the ... breccia . The character of stratification has , at several points , a close resemblance to altered sedimentary ...
... breccias . These several forms , variously associated , serve to give a remarkable diversity and broken character to the ... breccia . The character of stratification has , at several points , a close resemblance to altered sedimentary ...
31 페이지
... breccia ; the cement of which is mostly an ochre - colored calcareous sand or clay . The stratification of this formation shows a succession of layers of variously tinted marls , of more or less coarsely grained sand , and also of ...
... breccia ; the cement of which is mostly an ochre - colored calcareous sand or clay . The stratification of this formation shows a succession of layers of variously tinted marls , of more or less coarsely grained sand , and also of ...
37 페이지
... breccia 2 feet thick , pieces of which were added to our collection of fossil specimens . A clay similar to this usually accompanies the lignite coal that has been referred to above . These are , then , the characteristics in which the ...
... breccia 2 feet thick , pieces of which were added to our collection of fossil specimens . A clay similar to this usually accompanies the lignite coal that has been referred to above . These are , then , the characteristics in which the ...
51 페이지
... breccia .- ( Specimen Rocks , No. 59 to 62 inclusive . ) The general arrangement of these formations shows them to ... breccia formation , and connecting the upper and lower strata of igneous rock . C. Vesicular trap - rock , dark ...
... breccia .- ( Specimen Rocks , No. 59 to 62 inclusive . ) The general arrangement of these formations shows them to ... breccia formation , and connecting the upper and lower strata of igneous rock . C. Vesicular trap - rock , dark ...
52 페이지
... breccia of a lightish brown color in horizontal strata . C. Lava or trap - rock of close texture , dark - colored . D. Breccia as above , having a light greenish color . E. Igneous veins . We are now sufficiently prepared to appreciate ...
... breccia of a lightish brown color in horizontal strata . C. Lava or trap - rock of close texture , dark - colored . D. Breccia as above , having a light greenish color . E. Igneous veins . We are now sufficiently prepared to appreciate ...
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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