For the past several years the Confederated Tribes of the Grand Ronde Community of Oregon have pa... more For the past several years the Confederated Tribes of the Grand Ronde Community of Oregon have partnered with the Confederated Tribes of Siletz lnctians, and the Confederated Tribes of the Warm Springs to assist Dr. Dale Croes of South Puget Sound Community Col lege (SPSCC) in providing stewardship and management over a unique site named the Sunken Village Site. This site is unique not just due to its preservation and content but also in that it has been an opportunity for International (Japanese sponsorship in this case), federal , state, and local agencies to work with Tribes in the preservation of a area that is geologically distinct and vitally important to the maintenance of the culture of the three Tribes involved. This world-wide partnership will not only allow us to better understand but also better protect one of the best wet sites on the Columbia River.
Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is reve... more Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is revealed at numerous land-sea interfaces along the Pacific Northwest coast. We recently extracted a 27 meter-deep core at a site near the Sixes River on the southern Oregon coast, approximately two kilometers from the Pacific Ocean. A basal date of ~12,300 cal. yr B.P. implies the core has the potential to yield a continuous terrestrial stratigraphic record extending into the late Pleistocene. If correct, this site may provide the first onshore chronology of plate boundary earthquakes along the Cascadia margin on a timescale comparable in length to the turbidite records off shore. However, numerous variables complicate the interpretation of this long sedimentary record, perhaps more so than some of the younger terrestrial records of coastal paleoseismology. These variables include long-term tectonic movement of the landscape on local and regional scales; sedimentation from marine, riverine, ...
Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is reve... more Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is revealed at numerous land-sea interfaces along the Pacific Northwest coast. We recently extracted a 27 meter-deep core at a site near the Sixes River on the southern Oregon coast, approximately two kilometers from the Pacific Ocean. A basal date of ~12,300 cal. yr B.P. implies the core has the potential to yield a continuous terrestrial stratigraphic record extending into the late Pleistocene. If correct, this site may provide the first onshore chronology of plate boundary earthquakes along the Cascadia margin on a timescale comparable in length to the turbidite records off shore. However, numerous variables complicate the interpretation of this long sedimentary record, perhaps more so than some of the younger terrestrial records of coastal paleoseismology. These variables include long-term tectonic movement of the landscape on local and regional scales; sedimentation from marine, riverine, ...
Volcanoes to Vineyards: Geologic Field Trips through the Dynamic Landscape of the Pacific Northwest, 2009
The Geological Society of America Field Guide 15 2009 Geoarchaeological themes in a dynamic coast... more The Geological Society of America Field Guide 15 2009 Geoarchaeological themes in a dynamic coastal environment, Lincoln and Lane Counties, Oregon Loren G. Davis* Steven A. Jenevein Oregon State University, Department of Anthropology, 238 Waldo Hall, Corvallis, Oregon ...
For the past several years the Confederated Tribes of the Grand Ronde Community of Oregon have pa... more For the past several years the Confederated Tribes of the Grand Ronde Community of Oregon have partnered with the Confederated Tribes of Siletz lnctians, and the Confederated Tribes of the Warm Springs to assist Dr. Dale Croes of South Puget Sound Community Col lege (SPSCC) in providing stewardship and management over a unique site named the Sunken Village Site. This site is unique not just due to its preservation and content but also in that it has been an opportunity for International (Japanese sponsorship in this case), federal , state, and local agencies to work with Tribes in the preservation of a area that is geologically distinct and vitally important to the maintenance of the culture of the three Tribes involved. This world-wide partnership will not only allow us to better understand but also better protect one of the best wet sites on the Columbia River.
Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is reve... more Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is revealed at numerous land-sea interfaces along the Pacific Northwest coast. We recently extracted a 27 meter-deep core at a site near the Sixes River on the southern Oregon coast, approximately two kilometers from the Pacific Ocean. A basal date of ~12,300 cal. yr B.P. implies the core has the potential to yield a continuous terrestrial stratigraphic record extending into the late Pleistocene. If correct, this site may provide the first onshore chronology of plate boundary earthquakes along the Cascadia margin on a timescale comparable in length to the turbidite records off shore. However, numerous variables complicate the interpretation of this long sedimentary record, perhaps more so than some of the younger terrestrial records of coastal paleoseismology. These variables include long-term tectonic movement of the landscape on local and regional scales; sedimentation from marine, riverine, ...
Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is reve... more Evidence of great plate-boundary earthquakes and accompanying coseismic subsidence events is revealed at numerous land-sea interfaces along the Pacific Northwest coast. We recently extracted a 27 meter-deep core at a site near the Sixes River on the southern Oregon coast, approximately two kilometers from the Pacific Ocean. A basal date of ~12,300 cal. yr B.P. implies the core has the potential to yield a continuous terrestrial stratigraphic record extending into the late Pleistocene. If correct, this site may provide the first onshore chronology of plate boundary earthquakes along the Cascadia margin on a timescale comparable in length to the turbidite records off shore. However, numerous variables complicate the interpretation of this long sedimentary record, perhaps more so than some of the younger terrestrial records of coastal paleoseismology. These variables include long-term tectonic movement of the landscape on local and regional scales; sedimentation from marine, riverine, ...
Volcanoes to Vineyards: Geologic Field Trips through the Dynamic Landscape of the Pacific Northwest, 2009
The Geological Society of America Field Guide 15 2009 Geoarchaeological themes in a dynamic coast... more The Geological Society of America Field Guide 15 2009 Geoarchaeological themes in a dynamic coastal environment, Lincoln and Lane Counties, Oregon Loren G. Davis* Steven A. Jenevein Oregon State University, Department of Anthropology, 238 Waldo Hall, Corvallis, Oregon ...
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