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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 61621

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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
452420122494401 WASH 61621 1 0 8 QUATERNARY SYSTEM Soil --
452420122494401 WASH 61621 2 8 90 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt --
452420122494401 WASH 61621 3 90 130 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452420122494401 WASH 61621 4 130 150 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
452420122494401 WASH 61621 5 150 205 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
452420122494401 WASH 61621 6 205 207 ELLENSBURG FORMATION Sedimntry(undf) --
452420122494401 WASH 61621 7 207 260 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 4
452420122494401 WASH 61621 8 260 330 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 5
452420122494401 WASH 61621 9 330 332 ELLENSBURG FORMATION Sedimntry(undf) --
452420122494401 WASH 61621 10 332 380 ORTLEY UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452420122494401 WASH 61621 11 380 385 ELLENSBURG FORMATION Sedimntry(undf) --
452420122494401 WASH 61621 12 385 450 ORTLEY UNIT OF GRANDE RONDE BASALT Basalt GROUSE CREEK; FLOW 2
452420122494401 WASH 61621 13 450 455 ELLENSBURG FORMATION Sedimntry(undf) --
452420122494401 WASH 61621 14 455 500 GROUSE CREEK UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452420122494401 WASH 61621 15 500 505 ELLENSBURG FORMATION Sedimntry(undf) --
452420122494401 WASH 61621 16 505 555 GROUSE CREEK UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
452420122494401 WASH 61621 17 555 560 ELLENSBURG FORMATION Sedimntry(undf) --
452420122494401 WASH 61621 18 560 689 WAPSHILLA RIDGE UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452420122494401 WASH 61621 19 689 692 ELLENSBURG FORMATION Sedimntry(undf) --
452420122494401 WASH 61621 20 692 840 WAPSHILLA RIDGE UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
452420122494401 WASH 61621 21 840 -- WAPSHILLA RIDGE UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
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Page Last Modified: Wednesday, 09-Jan-2013 18:53:55 EST