...class of facts which are the basis of chemical geology. Another important result of Professor Rogers's geological work was to show that the condition of...the history of the formation of coal, — was with Professor Rogers an induction from a great mass of observed facts. By far, however, the most memorable...

...class of facts which nre the basis of chemical geology. Another important result of Professor Rogers's geological work was to show that the condition of...the history of the formation of coal, — was with Professor Rogers au induction from a great mass of observed facts. By far, however, the most memorable...

...class of facts which are the basis of chemical geology. Another important result of Professor Rogers's geological work was to show that the condition of...history of the formation of coal, •—• was with Professor Rogers an induction from a great mass of observed facts. By far, however, the most memorable...

...that coal -lieds stand in close genetic relation to the amount of disturbance to which the inclosing strata have been submitted, the coal becoming harder...containing less volatile matter as the evidence of the disturbance increases. Together they published a paper on " The Laws of Structure of the more Disturbed...

...of facts which are the basis of chemical geology. " ' Another important result of Professor Rogers's geological work was to show that the condition of...the history of the formation of coal — was with Professor Rogers an induction from a great mass of observed facts. " ' By far, however, the most memorable...

...first to investigate this subject. From his examinations of the Virginia coal deposits he discovered that the condition of any coalbed stands in a close...volatile matter as the evidence of disturbance increases. But the most notable contribution that Prof. Rogers made to the advance of geologic science was the...

...first to investigate this subject. From his examinations of the Virginia coal deposits he discovered that the condition of any coalbed stands in a close...containing less volatile matter as the evidence of d1sturbance increases. But the most notable contribution that Prof. Rogers made to the advance of geologic...

...that coal-beds stand in close genetic relation to the amount of disturbance to which the inclosing strata have been submitted, the coal becoming harder...containing less volatile matter as the evidence of the disturbance increases. i Together they published a paper on " The Laws of Structure of the more...

...From his examinations of the Virginia coal deposits he discovered that the condition of any coalbcd stands' in a close genetic relation to the amount...volatile matter as the evidence of disturbance increases. But the most notable contribution that Prof. Rogers made to the advance of geologic science was the...

...important class of facts which are the basis of chemical geology. Another important result of Professor Rogers' geological work was to show that the condition...have been submitted, the coal becoming harder and * In this chapter I think of Geochemistry in a broad sense as an umbrella over all those aspects of...