Report on the United States and Mexican Boundary Survey: Made Under the Direction of the Secretary of the Interior, 1±Ç,ÆÄÆ® 2C. Wendell, printer, 1857 |
µµ¼ º»¹®¿¡¼
18°³ÀÇ °á°ú Áß 1 - 5°³
26 ÆäÀÌÁö
... feldspar . No. 24. A yellowish pulverulent substance , described by Dr. C. B. R. Kennerly as occurring in a mountain gorge be- tween abrupt walls of volcanic rock . When treated with acid it effervesces strongly , showing the presence ...
... feldspar . No. 24. A yellowish pulverulent substance , described by Dr. C. B. R. Kennerly as occurring in a mountain gorge be- tween abrupt walls of volcanic rock . When treated with acid it effervesces strongly , showing the presence ...
33 ÆäÀÌÁö
... feldspar and limestone spar ; this latter usually accompanies the silver ore and galena . In the centre of this cul de sac , a better name for this so - called valley , can be seen an ancient crater , the inner walls of which are ...
... feldspar and limestone spar ; this latter usually accompanies the silver ore and galena . In the centre of this cul de sac , a better name for this so - called valley , can be seen an ancient crater , the inner walls of which are ...
34 ÆäÀÌÁö
... feldspar , gray quartz , and some little black mica . In other places along the Llano very finely grained varieties of granite have been observed . Granite , frequently interspersed with veins and fragments of a white quartz , also ...
... feldspar , gray quartz , and some little black mica . In other places along the Llano very finely grained varieties of granite have been observed . Granite , frequently interspersed with veins and fragments of a white quartz , also ...
63 ÆäÀÌÁö
... feldspar , and other similar elements of crystal- line and igneous rock , associated with calcareous particles , constitute the formation of that vast region of deserts stretching from the eastern foot of the California Cordilleras to ...
... feldspar , and other similar elements of crystal- line and igneous rock , associated with calcareous particles , constitute the formation of that vast region of deserts stretching from the eastern foot of the California Cordilleras to ...
66 ÆäÀÌÁö
... feldspar , and , occasionally , particles of augite , indicating the frequent occurrence of a syenitic granite . A fine - grained , white , metamorphic syenite , consisting of minute particles of hornblende and white feldspar , occur on ...
... feldspar , and , occasionally , particles of augite , indicating the frequent occurrence of a syenitic granite . A fine - grained , white , metamorphic syenite , consisting of minute particles of hornblende and white feldspar , occur on ...
±âŸ ÃâÆǺ» - ¸ðµÎ º¸±â
ÀÚÁÖ ³ª¿À´Â ´Ü¾î ¹× ±¸¹®
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