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 UMAT 5351

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
455115118393201 UMAT 5351 1 0 79 LOESS Loess --
455115118393201 UMAT 5351 2 79 205 UMATILLA MEMBER OF SADDLE MOUNTAINS BASALT Basalt --
455115118393201 UMAT 5351 3 205 220 MABTON MEMBER (INFORMAL USAGE) OF ELLENSBURG FORMATION Basalt --
455115118393201 UMAT 5351 4 220 330 BASALT OF SENTINEL GAP OF FRENCHMAN SPRINGS MEMBER OF WANAPUM B Basalt FLOW 1
455115118393201 UMAT 5351 5 330 385 BASALT OF SENTINEL GAP OF FRENCHMAN SPRINGS MEMBER OF WANAPUM B Basalt FLOW 2
455115118393201 UMAT 5351 6 385 535 BASALT OF SENTINEL GAP OF FRENCHMAN SPRINGS MEMBER OF WANAPUM B Basalt FLOW 3
455115118393201 UMAT 5351 7 535 536 ELLENSBURG FORMATION Claystone --
455115118393201 UMAT 5351 8 536 585 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 1
455115118393201 UMAT 5351 9 585 587 ELLENSBURG FORMATION Claystone --
455115118393201 UMAT 5351 10 587 625 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 2
455115118393201 UMAT 5351 11 625 665 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 3
455115118393201 UMAT 5351 12 665 740 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 4
455115118393201 UMAT 5351 13 740 818 BASALT OF SAND HOLLOW OF FRENCHMAN SPRINGS MEMBER OF WANAPUM BA Basalt FLOW 5
455115118393201 UMAT 5351 14 818 820 VANTAGE MEMBER (INFORMAL USAGE) OF ELLENSBURG FORMATION Claystone --
455115118393201 UMAT 5351 15 820 920 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
455115118393201 UMAT 5351 16 920 990 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
455115118393201 UMAT 5351 17 990 1015 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
455115118393201 UMAT 5351 18 1015 1085 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 4
455115118393201 UMAT 5351 19 1085 1115 SENTINEL BLUFFS UNIT OF GRANDE RONDE BASALT Basalt FLOW 5
455115118393201 UMAT 5351 20 1115 1195 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 1
455115118393201 UMAT 5351 21 1195 1265 WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 2
455115118393201 UMAT 5351 22 1265 -- WINTER WATER UNIT OF GRANDE RONDE BASALT Basalt FLOW 3
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/umat__5351/umat__5351_geol.html
Page Contact Information: Oregon Webteam
Page Last Modified: Wednesday, 09-Jan-2013 18:47:28 EST