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Geologic Field Trip Guides

Geologic Hazard Field Trip Guides

From the August 2017 IAVCEI Scientific Assembly in Portland, Oregon
Preview / download The Mount Hood Fault Zone—Late Quaternary and Holocene fault features: Newly mapped with high-resolution lidar imagery, by Ian P. Madin, Ashley R. Streig, William J. Burns, and Lina Ma, p. 100-109, in Field-Trip Guide to Mount Hood, Oregon, Highlighting Eruptive History and Hazards, U. S. Geological Survey Scientific Investigations Report 2017–5022–G (2017).
Preview / download Field-trip guide to the vents, dikes, stratigraphy, and structure of the Columbia River Basalt Group, eastern Oregon and southeastern Washington, U.S. Geological Survey Scientific Investigations Report 2017–5022–N, by Victor E. Camp, Stephen P. Reidel, Martin E. Ross, Richard J. Brown, and Stephen Self (2017).

Preview / download

Field-trip guide to Columbia River flood basalts, associated rhyolites, and diverse post-plume volcanism in eastern Oregon, U.S. Geological Survey Scientific Investigations Report 2017–5022–O, by Mark L. Ferns, Martin J. Streck, and Jason D. McClaughry (2017).
DOGAMI Hazard Field Trip Guides
Preview / download 2007 Landslide Symposium Field Trip Guide, April 27-28: Landslides in Oregon City and Coastal Lincoln County, Oregon, by Scott Burns, William Burns, and Jason Hinkle, 23 p. in DOGAMI Open-File Report O-07-06, 2007 Landslide Symposium Proceedings and Field Trip Guide: New tools and techniques for developing regional hazard maps and future risk management practices (April 2007).

Geologic Guide and Recreation Map Series

Lidar Landscapes publication Preview / download Crater Lake geologic guide and recreation map, by Daniel E. Coe, 2013, 2 p. Also available as GPS-enabled map for mobile devices
Lidar Landscapes publication Preview / download Three Sisters geologic guide and recreation map, by Daniel E. Coe, 2012, 2 p. Also available as GPS-enabled map for mobile devices.
Lidar Landscapes publication Preview / download Mount Hood geologic guide and recreation map, by Tracy Pollock, 2011, 2 p. Also available as GPS-enabled map for mobile devices.

Geologic Field Trip Guides and Recreational Geology Articles in Oregon Geology Magazine

These articles were originally published in issues of the Oregon Department of Geology and Mineral Industries magazine Oregon Geology (formerly The Ore Bin). Articles are included in full issue PDFs.

State and County Parks
Oregon Geology / Ore Bin,
v. 69, no. 1 , p. 96 		PDF Royal Terrace Falls, Majestic Falls, McDowell Creek County Park, p. 96. (Fall 2009)
v. 52, no. 1 PDF Field trip guide to Cove Palisades State Park and the Deschutes Basin, by Ellen Morris Bishop [Jefferson County], p. 13-16. (Jan 1990)
v. 41, no. 1 PDF Silver Falls State Park [Marion County], by Michael Freed, p. 2-10. (Jan 1979)
v. 37, no. 2 PDF Geology of Hug Point State Park, northern Oregon coast [Clatsop County], by Alan R. Niem, p. 17-36. (Feb 1975)
v. 33, no. 5 PDF Visitor's guide to the geology of the coastal area near Beverly Beach State Park [Lincoln County], by Parke D. Snavely, Jr. and Norman S. Macleod, p. 85-105. (May 1971)
v. 32, no. 8 PDF Geologic Tour of Cove Palisades State Park near Madras, Oregon [Jefferson County], by N. V. Peterson and E. A. Groh, p. 141-168. (Aug 1970)
v. 29, no. 5 PDF Geology of Cape Lookout State Park near Tillamook, Oregon [Tillamook County], by Doris Mangum, p. 85-110. (May 1967)
v. 29, no. 4 PDF Geology of the state parks near Cape Arago, Coos County, Oregon, by Judi Ehlen, p. 61-82. (Apr 1967)
v. 27, no. 5 PDF Geology of Lake Owyhee State Park and vicinity, Malheur County, Oregon, by R. E. Corcoran, p. 81-97. (May 1965)
v. 24, no. 6 PDF Geology of Collier State Park area, Klamath County, Oregon, by Norman V. Peterson, p. 88-97. (Jun 1962)
v. 23, no. 9 PDF Geology of the Ecola State Park landslide area, Oregon [Clatsop County], by H. G. Sclicker, R. E. Corcoran, and R. G. Bowen, p. 85-90. (Sep 1961)
v. 23, no. 8 PDF Geology of Cape Sebastian State Park and its regional relationships [Curry County], by J. K. Howard and R. H. Dott, Jr., p. 75-81. (Aug 1961)
v. 23, no. 3 PDF Geology of the Humbug Mountain State Park area [Curry County], by J. G. Koch, W. R. Kaiser, and R. H. Fott, Jr., p. 23-30. (Mar 1961)
Oregon Coast
Oregon Geology / Ore Bin,
v. 55, no. 5		 PDF Field trip guide to Cascadia paleoseismic evidence along the northern Oregon coast: Evidence of subduction zone seismicity in the central Cascadia margin, (revised from Friends of the Pleistocene Field Trip Guide, 1993) by Curt D. Peterson, Mark E. Darienzo. Scott F. Burns, and William K. Burris, p. 99-114. (Sep 1993)
v. 54, no. 1 PDF Ocean processes and hazards along Oregon coast, by Paul D. Komar, p. 3-19. (Jan 1992)
v. 50, no. 9-10 PDF Coastal neotectonic field trip guide for Netarts Bay, Oregon, by C. D. Peterson, M.E. Darienzo, and M. Parker, p. 99-106. (Sep/Oct 1988)
v. 49, no. 5 PDF Erosional changes at Alsea Spit, Waldport, Oregon, by Philip L. Jackson and Charles L. Rosenfeld, p. 55-59. (May 1987)
v. 37, no. 4 PDF Landforms along the coast of Curry County, Oregon, by Ernest H. Lund, p. 57-76. (Apr 1975)
v. 36, no. 11 PDF Coastal andforms between Roads End and Tillamook Bay, Oregon, by Ernest H. Lund, p. 173-195. (Nov 1974)
v. 36, no. 5 PDF Rock units and coastal landforms between Newport and Lincoln City, Oregon, by Ernest H. Lund, p. 69-91. (May 1974)
v. 35, no. 12 PDF Landforms along the coast of southern Coos County, Oregon, by Ernest H. Lund, p. 189-210. (Dec 1973)
v. 35, no. 5 PDF Oregon coastal dunes between Coos Bay and Sea Lion Point, by Ernest H. Lund, p. 73-92. (May 1973)
v. 34, no. 11 PDF Coastal landforms between Tillamook Bay and the Columbia River, Oregon, by Ernest H. Lund, p. 173-194. (Nov 1972)
v. 34, no. 5 PDF Coastal landforms between Yachats and Newport, Oregon, by Ernest H. Lund, p. 73-91. (May 1972)
v. 33. no. 2 PDF Coastal landforms between Florence and Yachats, Oregon, by Ernest H. Lund, p. 21-35 (Feb 1971)
Miscellaneous Guides
Oregon Geology / Ore Bin,
v. 69, no. 1		 PDF Field trip guides to the geology of the northern half of Lower Crooked Basin, Crook, Deschutes, and Jefferson Counties, Oregon — Overview, by by Jason D. McClaughry, p. 3-4. (Fall 2009)
v. 69, no. 1 PDF Field trip guide to the middle Eocene Wildcat Mountain Caldera, Ochoco National Forest, Crook County, Oregon, by Jason D. McClaughry, Caroline L. Gordon, and Mark L. Ferns, p. 5-24. (Fall 2009)
v. 69, no. 1 PDF Field trip guide to the Oligocene Crooked River caldera: Central Oregon’s supervolcano, Crook, Deschutes, and Jefferson Counties, Oregon, by Jason D. McClaughry, Mark L. Ferns, Caroline L. Gordon, and Karyn A. Patridge, p. 25-44. (Fall 2009)
v. 69, no. 1 PDF Field trip guide to the Neogene stratigraphy of the Lower Crooked Basin and the ancestral Crooked River, Crook County, Oregon, by Jason D. McClaughry, Mark L. Ferns, and Caroline L. Gordon, p. 45-60. (Fall 2009)
v. 69, no. 1 PDF Portland, Oregon, geology by tram, train, and foot, by Ian P. Madin, p. 73-91. (Fall 2009)
v. 67, no. 1 PDF Field trip guide to the geology of the Lower Crooked River Basin, Redmond and Prineville areas, Oregon, by Jason D. McClaughry and Mark L. Ferns, p. 15-23. (Fall 2006)
v. 60, no 1 PDF Geology along U.S. Highways 197 & 97 between The Dalles and Sunriver, Oregon, by Gary Smith, p. 3-17. (Jan/Feb 1998)
v. 59, no. 1 PDF Field trip guide to the eastern margin of the Oregon-Idaho graben and the middle Miocene calderas of the Lake Owyhee volcanic field, by Mark L. Ferns, p. 9-20. (Jan/Feb 1997)
v. 58, no. 5 PDF Water, rocks, and woods— A field excursion to examine the geology, hydrology, and geothermal resources in the Clackamas, North Santiam, and McKenzie River drainages, Cascade Range, Oregon, by David R. Sherrod, Steven E. Ingebritsen, John M. Curless, Terry E. C. Keith, Nancy M. Diaz, Thomas G. DeRoo, and Sanford L. Hurlocker, p. 103-124.
(Sep 1996) Prepared for a field trip conducted in conjunction with the Geological Society of America Penrose Conference on fluid·volcano interactions, Kahnceta, Oregon, October 4-9, 1992.
v. 57, no. 3, 4, 5 PDF Part 1,
PDF Part 2,
PDF Part 3		 Beyond the channeled scabland: A field trip to Missoula flood features in the Columbia, Yakima, and Walla Walla valleys of Washington and Oregon, by James E. O'Connor and Richard B. Waitt
Part 1: Introductory discussion and references, p. 51-60 (May 1995);
Part 2: Field Trip, Day one, p. 75-86 (July 1995);
Part 3: Field Trip, Days two and three, p. 99-115 (Sep 1995).
A preliminary version of this field trip guide was prepared for the first annual field conference of the Friends of the Pleistocene, Pacific Northwest Cell, May 13-15, 1994.
v. 55, no. 5 PDF Field trip guide to Cascadia paleoseismic evidence along the northern Oregon coast: Evidence of subduction zone seismicity in the central Cascadia margin, by Curt D. Peterson, Mark E. Darienzo, Scott F. Burns, and William K. Burris, p. 99-114. (Sep 1993). Revised from Friends of the Pleistocene Field Trip Guide, 1993.
v. 54, no. 6 PDF Field guide to the geology and paleontology of pre-Tertiary volcanic arc and melange rocks, Grindstone, Izee, and Baker terranes, east-central Oregon, by Charles D. Blome and Merllynd K. Nestell, p. 123-141. (Nov 1992)
v. 54, no 4 PDF Natural hazards of the Pacific Northwest, past, present, and future-a field trip guide for western Oregon and Mount St. Helens, by Charles L. Rosenfeld, p. 75-86. (Jul 1992)
v. 54, no. 2 PDF Geologic guide for the northern Klamath Mountains:
Part 1, Cow Creek to Red Mountain, by M. A. Kays, p. 27-33 (Mar 1992)
Part 2, Red Mountain to Bald Mountain (May Creek Schist and related rocks), by Mary M. Donato, p. 34-39 (Mar 1992)
v. 53, no. 3, 4 PDF Part 1,
PDF Part 2 		A field guide to mid-Tertiary paleosols and paleoclimatic changes in the high desert of central Oregon, by Gregory J. Retallack
Part 1, p. 51-59. (May 1991)
Part 2, p. 75-80. (Jul 1991)
v. 53, no. 1 PDF A field guide to depositional processes and facies geometry of Neogene continental volcaniclastic rocks, Deschutes basin, central Oregon, by Gary A. Smith, p. 3-20. (Jan 1991)
v. 52, no. 5, 6 PDF Part 1,
PDF Part 2 		Field trip guide to the central Oregon High Cascades
Part 1: Mount Bachelor-South Sister area, by William E. Scott and Cynthia A. Gardner, p. 99-117. (Sep 1990)
Part 2: (conclusion): Ash-flow tuffs in the Bend area, by Brittain E. Hill and William E. Scott, p. 123-126. (Nov 1990)
Field trip guide created for the September 1988 meeting of the Friends of the Pleistocene.
v. 50, no. 3 PDF Geologic guide to the Monitor Ridge climbing route, Mount St. Helens, Washington, by William M. Phillips, p. 27-34. (Mar 1988)
v. 50, no. 2 PDF Geologic field trip guide to the northern Succor Creek area, Malheur County, Oregon, by David C. Lawrence, p. 15-21. (Feb 1988)
v. 49, no. 1 PDF Field trip guide to the Sheaville and Rome zeolite deposits, southeastern Oregon, by R. A. Sheppard, p. 3-9. (Jan 1987)
v. 48, no. 11 PDF Field trip guide to the Durkee zeolite deposit, Durkee, Oregon, by R. A. Sheppard, p. 127-129. (Nov 1986)
v. 47, no. 12
v. 48, no. 1		 PDF Part 1,
PDF Part 2 		North Santiam mining area, Western Cascades relations between alteration and volcanic stratigraphy, by J. Michael Pollock and Michael L. Cummings
Part 1, Discussion, p. 139-145. (Dec 1985)
Part 2, field trip guide, p. 3-8. (Jan 1986)
v. 47, no. 11 PDF Walls worth walking by: A tour of the South Park Blocks area of downtown Portland, by Ralph S. Mason, . p 127-134. (Nov 1985)
v. 46, no. 8, 9 PDF Part I,
PDF Part II
 Exploring the Neogene history of the Columbia River: Discussion and geologic field trip guide to the Columbia River Gorge, by Terry L. Tolan, Marvin H. Beeson, and Beverly F. Vogt
Part I. Discussion, p. 87-97. (Aug 1984)
Part II: Road log and comments, p. 103-112. (Sep 1984)
v. 45, no. 11, 12 PDF Part 1,
PDF Part 2		 A field trip guide to the central Oregon Cascades:
First day: Mount Hood-Deschutes basin, by Gary A. Smith and George R. Priest, p. 119-126. (Nov 1983)
Second day: Santiam Pass-Belknap Hot Springs-Breiten bush Hot Springs, by George R. Priest, p. 133-138. (Dec 1983)
Offered as part of the annual meeting of the Geothermal Resources Council on October 24-27, 1983, in Portland, Oregon. The trip began in Portland on October 28 and ended back in Portland on October 29.
vo. 45, no 6, 7-8 PDF Part I,
PDF Part II		 Paleozoic and Triassic terranes of the Blue Mountains, northeast Oregon: Discussion and field trip guide
Part I. A new consideration of old problems, by Ellen D. Mullen and Daniel Sarewitz, p. 65-68. (Jun 1983)
Part II. Road log and commentary, by Ellen D. Mullen, p. 75-82. (Jul 1983)
v. 42, no. 2 PDF Geologic field trip guide through the north-central Klamath Mountains, by M. A. Kays and Mark L. Ferns, p. 23-35. (Feb 1980)
v. 40, no. 6 PDF A geological field trip guide from Cottage Grove, Oregon to Bohemia mining district, by Jerry J. Gray and Beverly F. Vogt, p. 93-116. (Jun 1978)
This article, a companion to the "Overview of the Bohemia Mining District" (Ore Bin, May 1978), is the last in the four-part series on mineralization in the Western Cascades. Also see Ore Bin, v. 39, no. 6; Ore Bin v. 39, no. 12; Ore Bin, v. 40, no. 5.
v. 40, no. 5 PDF Overview of the Bohemia mining district, by J. J. Gray, p. 77-91. (May 1978)
v. 39, no. 12 PDF Mineralization in the north-central Western Cascades, by R. S. Mason, J. J. Gray, and B. F. Vogt, p. 185-205. (Dec 1977)
v. 39, no. 6 PDF A geological field trip guide from Sweet Home, Oregon, to Quartzville mining district, by Jerry J. Gray, p. 93-108. (Jun 1977)
v. 39, no. 4 PDF Field guide to geology of Corvallis and vicinity, Oregon, by R. D. Lawrence, N. D. Livingston, S. D. Vickers, and L. B. Conyers, p. 53-71. (Apr 1977)
v. 38, no. 4 PDF Steens Mountain, Oregon, by Ernest H. Lund and Elton Bentley, p. 51-66. (Apr 1976)
v. 37, no. 12 PDF The Wallowa "Ice Cap" of northeastern Oregon: An exercise in the interpretation of glacial landforms, by John E. Allen, p. 189-202. (Dec 1975)
v. 36, no. 12 PDF The Columbia River Gorge: The story of the river and the rocks, by Ron Suchanek, p. 197-212. (Dec 1974)
v. 33, no. 10 PDF Geology markers along Oregon highways, by Erwin F. Lange, p. 185-193. (Oct 1971)
v. 16, no. 6 PDF Reconnaissance geology along U.S. Highway 20 between Vale and Buchanan, Malheur and Harney Counties, Oregon, by H. M. Dole and R. E. Corcoran, p. 37-39 plus 4 p. cross sections, unpaginated. (Jun 1954)

More

Bulletin 101 PDF Bulletin 101, Geologic field trips in western Oregon and southwestern Washington contains:
  • TRIP 1. Volcanic and volcaniclastic rocks on the east flank of the central Cascade Range to the Deschutes River, Oregon, by Edward M. Taylor
  • TRIP 2. Paleogene stratigraphy and structure along the Klamath borderland, Oregon, by Ewart M. Baldwin and Rauno Perttu
  • TRIP 3. Geology of the west-central part of the Oregon Coast Range, by P. D. Snavely, Jr., N. S. MacLeod, H. C. Wagner, and D. L. Lander 39
  • TRIP 4. Geologic summary for a field guide through the north-central Klamath Mountains, by M. A. Kays and M. L. Ferns (also published in Oregon Geology)
  • TRIP 5. Geologic field trip guide for the Cenozoic stratigraphy and late Eocene paleoecology of southwestern Washington, by John M. Armentrout, Kristin McDougall, Paula T. Jefferis, and Elizabeth Nesbitt
  • TRIP 6. Marys Peak Field trip: Structure of the eastern flank of the central Coast Range, Oregon, by Robert D. Lawrence, Charles L. Rosenfeld, and William Ruddiman, III
  • TRIP 7. Guide to the geology of the upper Clackamas and North Santiam Rivers area, northern Oregon Cascade Range, by P.E. Hammond, J. L. Anderson, and K. J. Manning
  • TRIP 8. Beach processes and erosion problems on the Oregon coast, by Paul D. Komar and Herb Schlicker
  • TRIP 9. Field trip road log for the Cenozoic stratigraphy of Coos Bay and Cape Blanco, southwestern Oregon, by John M. Armentrout
  • TRIP 10. Field trip guide: Geomorphology and hydrology in the H.J. Andrews Experimental Forest, western Cascades, by F.J. Swanson, R. D. Harr, and R. L. Fredriksen
brochure: Granite to Ukiah field trip guide PDF Ukiah to Granite, Grant County, Oregon.
Also of interest - Tower Mountain -- Geologic Lessons Learned from an Opportunistic Fire poster
OHB-3 PDF Highways to History: The Oregon Trail -- I-84: Eastern Oregon (Ontario, Baker City, La Grande); Oregon's Heritage Brochure 3 [PDF facsimile of original tabloid-size brochure]

(last updated 06/10/2021)