Journal, Том 12 |
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Стр. 18
... is worked to a depth of , with two feet of loamy clay , full of angular ng the land surface . The sand on the north of the basement bed , upon which the fossiliferous pr SI a tl S a looking at the beds in situ , they range in.
... is worked to a depth of , with two feet of loamy clay , full of angular ng the land surface . The sand on the north of the basement bed , upon which the fossiliferous pr SI a tl S a looking at the beds in situ , they range in.
Стр. 22
... surface rocks , and carried away by running water , leposited as soon as the velocity was checked ; the scene of deposition was invaded by sea water om its fossil contents . Now suppose the whole rth was covered with sea water , which ...
... surface rocks , and carried away by running water , leposited as soon as the velocity was checked ; the scene of deposition was invaded by sea water om its fossil contents . Now suppose the whole rth was covered with sea water , which ...
Стр. 26
... surface waters , has now be largely owing to Plutonic agencies . In s change , the researches of Bonney , Judd , rs have revealed to us many alterations in composition not previously suspected . It has e that a few remarks on the recent ...
... surface waters , has now be largely owing to Plutonic agencies . In s change , the researches of Bonney , Judd , rs have revealed to us many alterations in composition not previously suspected . It has e that a few remarks on the recent ...
Стр. 28
... surface of the Ortho- line in two varieties- ( 1st ) long , black crystals he Orthoclase and quartz , and on which the times occur , ( 2nd ) thin brownish crystals , which the same age as the Apatites , which sometimes velop them ...
... surface of the Ortho- line in two varieties- ( 1st ) long , black crystals he Orthoclase and quartz , and on which the times occur , ( 2nd ) thin brownish crystals , which the same age as the Apatites , which sometimes velop them ...
Стр. 33
... surface . Camborne Vean Mine , which lies at the western end of ebrated Dolcoath Mine , an interesting deposit of › crystals was met with at about 1000 feet below the . They are hexagonal crystals , with a curved surface precisely ...
... surface . Camborne Vean Mine , which lies at the western end of ebrated Dolcoath Mine , an interesting deposit of › crystals was met with at about 1000 feet below the . They are hexagonal crystals , with a curved surface precisely ...
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Часто встречающиеся слова и выражения
andesite Anfield animals Anodonta Apatite crystals Apatites of Cornwall basement beds Birkenhead bivalves bones Bootle Britain bronze Bunter C. E. MILES C. F. Webb Calcite Camborne Cannock Chase cave Chalybite Characters of Quartz Cheadle chlorite Clague clay deposit colour Council Crag crystals of Apatite Erth Beds exhibited feet Felspar Field Club Fluor formation forms fossil fossil contents fragments fresh water mussel Geological Society Geologist Gilbertite granite Hayle HERBERT JONES hexagonal prisms hill inch interesting J. M. Barber kaolin Keuper large number Librarian LIVERPOOL GEOLOGICAL ASSOCIATION locality marked meet mineral Nassa origin Orthoclase PATERSON pebbles Prescot quarry quartz R. W. B. Roberts resemble Richard Williams river Runcorn Sandstone sea water sections Semmons Session shell species specimens Stoneycroft Storey surface T. R. CONNELL Tean Tourmaline traces Transactions Trias Unio veins W. H. Miles W. H. Read William Brown Street
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Стр. 20 - ... present. Had there been any connection with northern seas or colder waters, it would be difficult to understand the entire absence of those forms of Pleurotoma (Bela) so abundant in the Boreal seas of the Crag period and the present age, as well as the equally characteristic bivalves, Astarte and Cyprina. Some conflict of opinion exists upon the depth of water in which the St. Erth clays were deposited. In a letter to "Nature...