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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 MORR 50818

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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
453011119384701 MORR 50818 1 0 11 LOESS Loess --
453011119384701 MORR 50818 2 11 90 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 1
453011119384701 MORR 50818 3 90 135 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 2
453011119384701 MORR 50818 4 135 175 VANTAGE MEMBER (INFORMAL USAGE) OF ELLENSBURG FORMATION Clay --
453011119384701 MORR 50818 5 175 300 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt --
453011119384701 MORR 50818 6 300 305 ELLENSBURG FORMATION Sandstone --
453011119384701 MORR 50818 7 305 355 UMTANUM UNIT OF GRANDE RONDE BASALT Basalt --
453011119384701 MORR 50818 8 355 410 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
453011119384701 MORR 50818 9 410 412 ELLENSBURG FORMATION Claystone --
453011119384701 MORR 50818 10 412 468 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
453011119384701 MORR 50818 11 468 618 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
453011119384701 MORR 50818 12 618 -- WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 4
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Page Last Modified: Wednesday, 09-Jan-2013 18:46:18 EST