 Dubuque northward, the dry shaly partings between the ledges of limestone afford material so rich in bitumen that it is easily lighted with a match; it burns freely and emits a strong -oily odor. Bituminous shale, precisely like that seen in the natural...  Annual Report for ... with Accompanying Papers - Seite 24von Iowa Geological Survey - 1901Vollansicht - Über dieses Buch
 | 1901 - 582 Seiten
...be fruitless. Above the Algonkian lies a body of Cambrian sediments — mostly sandstones — 1,000 feet in thickness. Life was far from abundant in Iowa...are not gas and oil wells as common in Iowa as in the productive regions of Ohio and Indiana? Let it be answered that something more than petroleum-bearing... | |
 | Iowa Geological Survey - 1901 - 598 Seiten
...be fruitless. Above the Algonkian lies a body of Cambrian sediments — mostly sandstones — 1,000 feet in thickness. Life was far from abundant in Iowa...are not gas and oil wells as common in Iowa as in the productive regions of Ohio and Indiana? Let it be answered that something more than petroleum-bearing... | |
 | 1901 - 478 Seiten
...in the deep well at Washington, Iowa; it has been recognized in other deep wells: the same shales, rich in bitumen, probably underlies the greater part...are not gas and oil wells as common in Iowa as in the productive regions of Ohio and Indiana? Let it be answered that something more than petroleum-bearing... | |
 | Newton Horace Winchell - 1901 - 498 Seiten
...in the deep well at Washington, Iowa; it has been recognized in other deep wells; the same shales, rich in bitumen, probably underlies the greater part...are not gas and oil wells as common in Iowa as in the productive regions of Ohio and Indiana? Let it be answered that something more than petroleum-bearing... | |
 | Newton Horace Winchell - 1901 - 1054 Seiten
...deep wells ; the same shales, rich in bitumen, probably underlies the greater part of the state. I f then a great amount of bitumen is stored up in the...are not gas and oil wells as common in Iowa as in the productive regions of Ohio and Indiana? Let it be answered that something more than petroleum-bearing... | |
 | 1914 - 724 Seiten
...precisely like that seen in the natural exposures, was brought up from the horizon of the Platteville in the deep well at Washington, Iowa; it has been...then a great amount of bitumen is stored up in the Platteville limestone and is constantly evolving gas and oil by slow distillation, why are not gas... | |
 | Iowa Geological Survey - 1914 - 720 Seiten
...precisely like that seen in the natural exposures, was brought up from the horizon of the Platteville in the deep well at Washington, Iowa; it has been...probably underlies the greater part of the state. part of Ohio contain at least 3,000,000 barrels of oil to the square mile, and yet not one gallon of... | |
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