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Columbia River Basalt Stratigraphy in Oregon

In Cooperation with the Oregon Water Resources Department (OWRD)

Table of Geologic Units for Site MORR 50621

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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
453651119483001 MORR 50621 1 0 10 LOESS Loess --
453651119483001 MORR 50621 2 10 80 BASALT OF LYONS FERRY OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 1
453651119483001 MORR 50621 3 80 225 BASALT OF LYONS FERRY OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 2
453651119483001 MORR 50621 4 225 265 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 1
453651119483001 MORR 50621 5 265 485 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 2
453651119483001 MORR 50621 6 485 545 BASALT OF SILVER FALLS OF FRENCHMAN SPRINGS MEMBER OF WANAPUM B Basalt --
453651119483001 MORR 50621 7 545 550 VANTAGE MEMBER (INFORMAL USAGE) OF ELLENSBURG FORMATION Siltstone --
453651119483001 MORR 50621 8 550 575 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
453651119483001 MORR 50621 9 575 640 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
453651119483001 MORR 50621 10 640 730 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
453651119483001 MORR 50621 11 730 -- SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 4
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Page Last Modified: Wednesday, 09-Jan-2013 18:45:59 EST