Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томи 10 – 11American Philosophical Society, 1967 |
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Сторінка 67
... hard slate , Hard free stone , Soft black slate or shale , " with streaks sulphur , 14 Soft dark sandstone , Hard 66 Dark slate , Light slate , Dark fire clay , Fire clay , Dark slate , Slate with hard rib , Ft.In. Ft . | In . Material ...
... hard slate , Hard free stone , Soft black slate or shale , " with streaks sulphur , 14 Soft dark sandstone , Hard 66 Dark slate , Light slate , Dark fire clay , Fire clay , Dark slate , Slate with hard rib , Ft.In. Ft . | In . Material ...
Сторінка 68
... hard , 12 ; hard and black , 13 ; dark blue , 10 ( gas vein struck at 229'2 , strong ) ; coarse - grained , blue , soft , 1 ; blue and shaly , some black specks , 29 , · Slate , hard , blue , rocky , 9 ; soft , blue ( some black ) , 26 ...
... hard , 12 ; hard and black , 13 ; dark blue , 10 ( gas vein struck at 229'2 , strong ) ; coarse - grained , blue , soft , 1 ; blue and shaly , some black specks , 29 , · Slate , hard , blue , rocky , 9 ; soft , blue ( some black ) , 26 ...
Сторінка 239
... hard ; compact , Shales ; olive ,. Shales ; red and olive , Shales ; olive , • Sandstone ; gray ; light ; very hard ; iron pyrites , Shales ; very soft , { " Clay ; blue , a few inches of hard sand rock interposed between these . Shale ...
... hard ; compact , Shales ; olive ,. Shales ; red and olive , Shales ; olive , • Sandstone ; gray ; light ; very hard ; iron pyrites , Shales ; very soft , { " Clay ; blue , a few inches of hard sand rock interposed between these . Shale ...
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Three | 27 |
Pending nominations Nos 534 535 536 and 537 were | 28 |
Present ten members | 105 |
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American American Philosophical Society anticlinal appear appointed April arkite axis Bache barometric beds bitumen black slate blue Boston Carboniferous Chair character clay Coal Measures Committee Cresson Cretaceous dated declination Devonian disc disturbances Donations east elected feet thick fissure formation Fraley Franklin Institute Geological gravity gray hard Hayden Hills Historical Society horizon inches iron January Judge Kentucky lamellæ Lesley letter Library were announced Library were received lignite limestone London magnetic March Meeting meteors miles Missouri Missouri River motion mountains nearly neutral point observations Paint Creek Pending nominations Pennsylvania petroleum Philadelphia Philosophical Society plants plate polarity present President Prof referred remarkable River rock sand sandrock Sandstone septum Shale Soapstone Society was adjourned solar species specimens Spirifera stone stream surface temperature tion Trego upper valley variation Venango County wood