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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 58802

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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
452123122471501 WASH 58802 1 0.00 33.00 BASALT OF GINKGO OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BASALT Clay --
452123122471501 WASH 58802 2 33.00 49.00 BASALT OF GINKGO OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BASALT Basalt --
452123122471501 WASH 58802 3 49.00 70.00 VANTAGE MEMBER (INFORMAL USAGE) OF ELLENSBURG FORMATION Claystone --
452123122471501 WASH 58802 4 70.00 144.00 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt --
452123122471501 WASH 58802 5 144.00 153.00 ELLENSBURG FORMATION Claystone --
452123122471501 WASH 58802 6 153.00 206.00 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452123122471501 WASH 58802 7 206.00 296.00 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
452123122471501 WASH 58802 8 296.00 335.00 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
452123122471501 WASH 58802 9 335.00 434.00 ORTLEY UNIT OF GRANDE RONDE BASALT Basalt --
452123122471501 WASH 58802 10 434.00 490.00 UMTANUM UNIT OF GRANDE RONDE BASALT Basalt --
452123122471501 WASH 58802 11 490.00 549.00 GROUSE CREEK UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452123122471501 WASH 58802 12 549.00 626.00 GROUSE CREEK UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
452123122471501 WASH 58802 13 626.00 667.00 WAPSHILLA RIDGE UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452123122471501 WASH 58802 14 667.00 735.00 WAPSHILLA RIDGE UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
452123122471501 WASH 58802 15 735.00 923.00 WAPSHILLA RIDGE UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
452123122471501 WASH 58802 16 923.00 -- WAPSHILLA RIDGE UNIT OF GRANDE RONDE BASALT Basalt FLOW 4
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Page Last Modified: Wednesday, 09-Jan-2013 18:53:50 EST