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The distribution of thorium, uranium, and potassium in a Pennsylvanian weathering profile and the Mancos Shale
The purposes of this investigation were to determine the effect of chemical weathering on the distribution of thorium and uranium in a single weathering profile, and to investigate the distribution of these elements in a ...
A comparison of some Eocene and modern sediments by coarse fraction analysis
Examination of an ancient sedimentary basin can provide only an incomplete geologic picture, because it reveals merely the anatomy of a dead body. Physiology must be learned on a living organism, and likewise the geologist ...
The environmental significance of stratification
Abstract Not Available.