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001 ocn910980879;

003 OCoLC;

005 20150714082600.0;

006 m o d f ;

007 cr mn|||||||||;

008 150612s2015 couab ob f000 0 eng d;

035 a| (Sirsi) o910980879;

043 a| n-us-or;

049 a| ERE#;

074 a| 0629-E-01 (online);

086 0 a| I 53.20:447;

088 a| BLM/OC/ST-15/006+7100;

100 1 a| Baitis, Karin E.e| author.=| ^A1374442;

245 10 a| Gray clay (Malpass clay) in the west Eugene Wetlands and the Willamette Valley is weathered and redeposited ash from Mount Mazama /c| authors: Karin E. Baitis, Gregory J. Retallack, Michael E. James.;

264 1 a| Denver, CO :b| U.S. Department of the Interior, Bureau of Land Management, National Operations Center,c| 2015.;

300 a| 1 online resource (iv, 21 pages) :b| illustrations (some color), maps (some color).;

336 a| textb| txt2| rdacontent;

337 a| computerb| c2| rdamedia;

338 a| online resourceb| cr2| rdacarrier;

490 1 a| Technical note ;v| 447;

500 a| Title from title screen (viewed on July 13, 2015).;

500 a| "June 2015"--cover.;

500 a| "BLM/OC/ST-15/006+7100"--page [2] of cover.;

504 a| Includes bibliographic references (pages 19-21).;

505 0 a| Abstract--Introduction--Geologic setting of Malpass clay and Dayton soil--Material and methods--Stratigraphic position of the gray clay in the west Eugene wetlands--Chromatography--Vertic soil and gilgai relief--X-ray diffraction--Transmission electron microscope EDX analyses--Transmission electron microscope images--Mineralogy of gray clay unit--Radiometric ages--Palynology--Conclusions--References.;

650 0 a| Volcanic ash, tuff, etc.z| Oregon.=| ^A20977;

650 0 a| Clay soilsz| Oregon.=| ^A834674;

650 0 a| Volcanic eruptionsz| Oregon.=| ^A868760;

650 7 a| Volcanic ash, tuff, etc.2| fast0| (OCoLC)fst01168809;

650 7 a| Volcanic eruptions.2| fast0| (OCoLC)fst01168816;

650 7 a| Clay soils.2| fast0| (OCoLC)fst00863865;

700 1 a| Retallack, Gregory J.,e| author.?| UNAUTHORIZED;

700 1 a| James, Michael E.,e| author.=| ^A589768;

710 1 a| United States.b| Bureau of Land Managemente| issuing body.=| ^A77139;

710 2 a| National Operations Center (U.S.)e| publisher.=| ^A791897;

830 0 a| Technical note (United States. Bureau of Land Management)v| 447.=| ^A427523;

856 40 u| https://purl.fdlp.gov/GPO/gpo59061;

949 a| Click on web addressw| ASISh| JOYNER94;

998 a| 3798974;

998 a| u3798974;

596 a| 1;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 3798974-1001l| JNETm| JOYNERr| Ys| Yt| JNE1DOu| 8/13/2015x| EDOCUMENTz| JERESOURCE;

Gray clay (Malpass clay) in the west Eugene Wetlands and the Willamette Valley is weathered and redeposited ash from Mount Mazama / authors: Karin E. Baitis, Gregory J. Retallack, Michael E. James.

Author/creator	Baitis, Karin E. author.
Format	Electronic
Publication	Denver, CO : U.S. Department of the Interior, Bureau of Land Management, National Operations Center, 2015.
Description	1 online resource (iv, 21 pages) : illustrations (some color), maps (some color).
Supplemental Content	https://purl.fdlp.gov/GPO/gpo59061
Subjects	Volcanic ash, tuff, etc.--Oregon. Clay soils--Oregon. Volcanic eruptions--Oregon.

Other author/creator	Retallack, Gregory J., author.
Other author/creator	James, Michael E., author.
Other author/creator	United States. Bureau of Land Management issuing body.
Other author/creator	National Operations Center (U.S.) publisher.
Series	Technical note ; 447 Technical note (United States. Bureau of Land Management) 447. ^A427523
Contents	Abstract--Introduction--Geologic setting of Malpass clay and Dayton soil--Material and methods--Stratigraphic position of the gray clay in the west Eugene wetlands--Chromatography--Vertic soil and gilgai relief--X-ray diffraction--Transmission electron microscope EDX analyses--Transmission electron microscope images--Mineralogy of gray clay unit--Radiometric ages--Palynology--Conclusions--References.
General note	Title from title screen (viewed on July 13, 2015).
General note	"June 2015"--cover.
General note	"BLM/OC/ST-15/006+7100"--page [2] of cover.
Bibliography note	Includes bibliographic references (pages 19-21).
Technical rpt number	BLM/OC/ST-15/006+7100
GPO item number	0629-E-01 (online)
Govt. docs number	I 53.20:447

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Gray clay (Malpass clay) in the west Eugene Wetlands and the Willamette Valley is weathered and redeposited ash from Mount Mazama / authors: Karin E. Baitis, Gregory J. Retallack, Michael E. James.

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