Transactions of the Geological SocietyThe Society, 1817 |
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Página 12
... calcareous nature . I I should not have inserted these rude sections in the appendix ( No. 1 ) to this paper had it not been for an opinion prevailing in Yorkshire , that coal will be found among these measures , and I hope by the ...
... calcareous nature . I I should not have inserted these rude sections in the appendix ( No. 1 ) to this paper had it not been for an opinion prevailing in Yorkshire , that coal will be found among these measures , and I hope by the ...
Página 12
... calcareous spar is the matrix . The crystallized fossils are small crystals of calcareous spar , formed in groups of acute three - sided pyramids ; sometimes white and opaque ; at other times yellowish or hair brown and translucent ...
... calcareous spar is the matrix . The crystallized fossils are small crystals of calcareous spar , formed in groups of acute three - sided pyramids ; sometimes white and opaque ; at other times yellowish or hair brown and translucent ...
Página 19
... Calcareous spar is common , either blended with the coal or in the form of stalagmites . The Organic remains found in the coal measures are , Impressions of plants resembling those of the genera fontinalis and equisetum , except that ...
... Calcareous spar is common , either blended with the coal or in the form of stalagmites . The Organic remains found in the coal measures are , Impressions of plants resembling those of the genera fontinalis and equisetum , except that ...
Página 21
... Calcareous spar and sulphur are disseminated through the pores of this substance . The basalt itself when broken is of a greenish - black colour , and of a coarse grained fracture . It contains quartz , calcareous spar , and another ...
... Calcareous spar and sulphur are disseminated through the pores of this substance . The basalt itself when broken is of a greenish - black colour , and of a coarse grained fracture . It contains quartz , calcareous spar , and another ...
Página 22
... calcareous spar ( the sandstone predominating ) cemented together by pieces of blue and black slate . Water was found , and there was a plentiful discharge of inflammable gas , while the drift was being made 3. Compact post , with ...
... calcareous spar ( the sandstone predominating ) cemented together by pieces of blue and black slate . Water was found , and there was a plentiful discharge of inflammable gas , while the drift was being made 3. Compact post , with ...
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Términos y frases comunes
Aldstone moor Allenheads alluvial alluvium angle appear barytes basalt beds Black Metal Black stone Blue Metal stone breccia calcareous cavities chalcedony chalk chlorite colliery colour containing described ditto Dufton dyke east fathoms feet felspar flints formation fragments Geological Society Glen Gloy Glen Roy Glen Turit gneiss goniometer granite Grey Metal stone Grey post Haüy Hazle hill hornblende inches killas laminæ lime line of Glen Loch Loch Eil Loch Laggan Main Coal marl mass Melmerby Memb mica miles mineral nodules observed occur pebbles planes plastic clay Plate porphyry post girdles primitive crystal quarry quartz quartz rock red sandstone remarkable river sand schist seam seen shale shells side siliceous sill slate spar Spean specimens Spey stone COAL strata stratum Strong grey Strong white post strontian substance sulphate surface terraces thick Thil trap Tyne upper valley veins Whin girdles