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Filtering by: Subject Concretions -- Oregon Commencement Year 1997

Origin and age of Fe-Mn-P concretions and nodules in an Oregon wetland

Creator:

Stewart, Scott R.

Abstract:

Wetland soils with complex stratigraphy and redoximorphic features occur on the margin of the Willamette Valley, Oregon. In the Jackson-Frazier wetland, vertisols show three distinct stratigraphic units that rest uncomformably upon each other and correspond to the Bashaw series Bss, 2Bt and 3BC horizons. Holocene alluvium deposited as distal alluvial...

Resource Type:

Dissertation