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Oregon Water Science Center

Columbia River Basalt Stratigraphy in Oregon

In Cooperation with the Oregon Water Resources Department (OWRD)

Table of Geologic Units for Site WASH 51495

USGS Site ID	Well Log ID	Sequence Number	Depth to Top of Interval	Depth to Bottom of Interval	Unit code	Lithology code	Description of material
Skip to data USGS Site ID: Site identification number permanently assigned to the well by the U.S. Geological Survey and recorded in National Water Information System (NWIS), a national computer database maintained by U.S. Geological Survey. Sequence Number: Sequence number assigned to identify a record. Depth to Top of Interval: The depth to the top of this unit, in feet below land surface. Depth to Bottom of Interval: The depth to the bottom of this unit, in feet below land surface. This field should be specified for all units, except the last one in the hole. Unit code: The name of aquifer or geologic unit stored by the U.S. Geological Survey in National Water Information System (NWIS), a national computer database maintained by U.S. Geological Survey. Lithology code: The principal lithology of this unit stored by the U.S. Geological Survey in National Water Information System (NWIS), a national computer database maintained by U.S. Geological Survey. Description of material: The adjective modifier to describe the rock type. --, no data/unknown.
USGS Site ID	Well Log ID	Sequence Number	Depth to Top of Interval	Depth to Bottom of Interval	Unit code	Lithology code	Description of material
452911122545901	WASH 51495	1	0	130	WILLAMETTE SILT	Clay with some Sand	--
452911122545901	WASH 51495	2	130	560	TROUTDALE FORMATION	Clay	--
452911122545901	WASH 51495	3	560	630	BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA	Basalt	FLOW 1
452911122545901	WASH 51495	4	630	700	BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA	Basalt	FLOW 2
452911122545901	WASH 51495	5	700	--	BASALT OF GINKGO OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BASALT	Basalt	--


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Page Last Modified: Wednesday, 09-Jan-2013 18:51:53 EST