Link to USGS home page.
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 MULT 72559

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
452909122050901 MULT 72559 1 0 2 QUATERNARY ALLUVIUM Gravel --
452909122050901 MULT 72559 2 2 11 VOLCANIC PYROCLASTIC AND SEDIMENTARY ROCKS Gravel and Clay --
452909122050901 MULT 72559 3 11 70 BASALT OF GINKGO OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BASALT Basalt --
452909122050901 MULT 72559 4 70 72 ELLENSBURG FORMATION Sedimntry(undf) --
452909122050901 MULT 72559 5 72 146 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
452909122050901 MULT 72559 6 146 150 ELLENSBURG FORMATION Claystone --
452909122050901 MULT 72559 7 150 328 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
452909122050901 MULT 72559 8 328 332 ELLENSBURG FORMATION Siltstone --
452909122050901 MULT 72559 9 332 500 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt --
452909122050901 MULT 72559 10 500 505 ELLENSBURG FORMATION Sedimntry(undf) --
452909122050901 MULT 72559 11 505 -- ORTLEY UNIT OF GRANDE RONDE BASALT Basalt --
Columbia River Basalt Group Stratigraphy Home Page
Oregon Water Science Center Studies Page
Oregon Water Science Center Home Page

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://or.water.usgs.gov/projs_dir/crbg/data/wells/mult_72559/mult_72559_geol.html
Page Contact Information: Oregon Webteam
Page Last Modified: Wednesday, 09-Jan-2013 18:46:35 EST