Circular, Issues 429-436The Survey, 1968 - Geology |
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Page 8
... Type . " Because of the factors involved in evaluating the abundance of individual clay minerals previously described , samples with the same type letter or even similar type letters do not consistently have the same clay mineral ...
... Type . " Because of the factors involved in evaluating the abundance of individual clay minerals previously described , samples with the same type letter or even similar type letters do not consistently have the same clay mineral ...
Page 9
... Type A. Type C : Predominantly kaolinite with a larger amount of mixed- layer material than Type B. Type D : Predominantly kaolinite with a moderate amount of mixed - layer material . Type E : Kaolinite is the major component . Less ...
... Type A. Type C : Predominantly kaolinite with a larger amount of mixed- layer material than Type B. Type D : Predominantly kaolinite with a moderate amount of mixed - layer material . Type E : Kaolinite is the major component . Less ...
Page 10
... Type E. Type G : Slightly more kaolinite than illite . Some mixed - layer ma . terial is present . - Type H : Kaolinite and illite are approximately equal . Some mixed- layer material is present . Type I : Type J : Illite is dominant ...
... Type E. Type G : Slightly more kaolinite than illite . Some mixed - layer ma . terial is present . - Type H : Kaolinite and illite are approximately equal . Some mixed- layer material is present . Type I : Type J : Illite is dominant ...
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20 feet Abbott Fm anomaly aquifer Assistant Chemist Assistant Geologist Associate Chemist Associate Geologist average barrels black shale and/or Blend Cady clay mineral clay products Clerk-Stenographer Coal H coal thickness coke crude oil deposit depth drill Dykersburg Shale electric logs Emeritus Engineer estimated face-channel samples feet thick Fluorspar Franklin County fuel Gallatin County gasoline Geological Survey geothermal gradient gray shale Hamilton County heat Herrin Illinois coals Illinois Geol Illinois State Geological inches Jefferson kaolinite Karnak Keros Cartwright limestone low-sulfur coal million tons mineral products moisture molding sand natural gas NW NW NW SW Pennsylvanian Ph.D Preheat pyritic sulfur Research Assistant Saline County seam soil temperature Spoon Fm Sulfur percent Supervisory Technical Assistant SW NW SW SW Table thermal total sulfur trillion cubic feet U. S. Bureau underclay variation Wabash County White County Williamson County ос ос ос