Geognosy; Or, The Facts and Principles of Geology Against TheoriesF. Knight, 1855 - 412 páginas |
Dentro del libro
Resultados 1-5 de 9
Página 184
... hornblende slate , and clay slate . In the detritus thus swept from the early lands into the most ancient seas , we view the commencement of that enormous series of derivative strata which by long contin- ued repetition of similar ...
... hornblende slate , and clay slate . In the detritus thus swept from the early lands into the most ancient seas , we view the commencement of that enormous series of derivative strata which by long contin- ued repetition of similar ...
Página 189
... hornblende are the chief materials of the sandstone , shales , and clays ; nay , the very fragments of that rock are found everywhere . Even in our recent alluvial soils they abound ; and it is a ques- tion worth considering whether the ...
... hornblende are the chief materials of the sandstone , shales , and clays ; nay , the very fragments of that rock are found everywhere . Even in our recent alluvial soils they abound ; and it is a ques- tion worth considering whether the ...
Página 232
... hornblende ; and usually in the proportion of two parts of quartz , two or three of felspar , and one of mica , or hornblende ; and con- sists , when mica is an element , of 74 to 75 per cent . of silica , 13 to 14 of alumine , 8 or 9 ...
... hornblende ; and usually in the proportion of two parts of quartz , two or three of felspar , and one of mica , or hornblende ; and con- sists , when mica is an element , of 74 to 75 per cent . of silica , 13 to 14 of alumine , 8 or 9 ...
Página 237
... hornblende ; but in sand- stone they are not in the form of quartz , felspar , and hornblende , or mica crystals , as the first three would undoubtedly have been , at least in a chief degree , had they been drawn from granite . Nor are ...
... hornblende ; but in sand- stone they are not in the form of quartz , felspar , and hornblende , or mica crystals , as the first three would undoubtedly have been , at least in a chief degree , had they been drawn from granite . Nor are ...
Página 238
... Hornblende , crystallized with felspar in granite , green- stone , basalt , and lava , also in hornblende slate . " -- Phillips's Guide , p . 79 . In granite , quartz has thus a geometric shape , but in sandstone it is in the form of ...
... Hornblende , crystallized with felspar in granite , green- stone , basalt , and lava , also in hornblende slate . " -- Phillips's Guide , p . 79 . In granite , quartz has thus a geometric shape , but in sandstone it is in the form of ...
Otras ediciones - Ver todo
Geognosy; Or, The Facts and Principles of Geology Against Theories David Nevins Lord Vista completa - 1855 |
Geognosy; Or, The Facts and Principles of Geology Against Theories David Nevins Lord Vista completa - 1857 |
Términos y frases comunes
admit agency agents annihilation assume assumption atmosphere axioms basalt beds beneath carboniferous causes chemical and mechanical condition confute consist continents and islands contradiction created creation creation recorded crust deluge demonstrated deposition depth derived detritus disintegrated dry land earth effects ejected elements elevation epoch existence facts of geology feet felspar fiat firmament formation fossil Genesis geological theory geologists globe gneiss granite gravel heat heaven Himalaya hornblende hypothesis igneous igneous rocks imbedded immense inference inspired Kilauea lava laws light lime limestone mass materials matter miles Mosaic Mosaic record Moses mountains narrative nature ocean origin particles passage period pliocene porphyry postulate potash present principles of geology processes produced proof prove quartz record respecting rivers rocks sacred sand sandstone Scriptures series of ages six days species strata were formed stratified suppose supposition taken place tertiary thrown tion upheaval vapors vegetable and animal volcanic waters whole wholly