New geologic mapping of the northwestern Willamette Valley, Oregon, and . . . The region was mapped at the relatively detailed scale of 1:24,000 to improve understanding of its geology and its earthquake hazards More than 100 geologic map units will record the 50-million-year history of volcanism, sedimentation, folding, and faulting above the Cascadia Subduction Zone
Geologic Map of Oregon From columnar basalts along the Columbia River to the sandstone of the southern Oregon Coast to Eastern Oregon's Painted Hills, Oregon's geology is amazing Explore the map to see the incredible variety of rock types that make up our state
NGMDB Product Description Page - USGS Title: New geologic mapping of the northwestern Willamette Valley, Oregon, and its American Viticultural Areas (AVAs)—a foundation for understanding their terroir
California Regional Geologic Maps You can download maps of the Regional Geologic Map series using the links provided below Printed versions can be purchased from the CGS Publications sales desk
NEW MAP! Geologic History of Soils in the Willamette Valley We are pleased to announce the newest map from the Willamette Valley Wineries Association that any wine lover will appreciate The geologic complexity of Oregon’s famed Willamette Valley American Viticultural Areas is artfully showcased in this map of soil parent material
Vitis Veritas | Interactive Willamette Valley Wine Terroir Map After examining the terroir of your chosen spot, pan over to a different vineyard, even one nearby, and compare the differences in soil and topography This visual comparison is the key to understanding the intense diversity that exists within the Willamette Valley terroir
TECTONICS OF THE WILLAMETTE VALLEY, OREGON The strata dip east across the Willamette Valley and into the west- ern Cascade Range, so that most of the strata that predate the Columbia River Basalt Group of the Willamette Valley are older than rocks of the western Cascade Range
Geography of the Willamette Valley - ArcGIS StoryMaps The Willamette River Basin is the largest watershed in the state, covering more than 11,500 square miles (City of Portland) According to the Oregon Conservation Strategy, the climate of the Willamette Valley is characterized by mild, wet winters, and warm, dry summers