Geology Reference
In-Depth Information
GMS 49.
Lentz, Rodney T., 1981. The petrology and stratigra-
phy of the Portland Hills Silt - a Pacific
Northwest loess. Oregon Geology, v.41,
no.l, p.3-10.
Luedke, Robert G., and Smith, Robert L., 1982.
Map showing distribution, composition, and
age of late Cenozoic volcanic centers in
Oregon and Washington. U.S. Geol. Survey,
Misc. Inv. Series., I-1091-D.
Madin, Ian P., 1989. Evaluating earthquake hazards
in the Portland, Oregon, metropolitan area:
mapping potentially hazardous soils. Oregon
Geology, v.51, no.5, p.106-110; 118.
McDowell, Patricia F., and Roberts, Michael C,
1987. Field guidebook to the Quaternary
stratigraphy, geomorphology and soils of the
Willamette Valley, Oregon. Assoc. Amer.
Geogr., Ann. Mtg., Portland, Oregon, Field
Trip 3, 75p.
Miller, Paul R., and Orr, William N., 1985. Mid-Ter-
tiary trans-gressive rocky coast sedimenta-
tion: central Western Cascade range, Ore-
gon. Jour. Sed. Pet., v.58, no.6, pp.959-968.
and Orr, William N., 1986. The Scotts Mills
Formation: Mid-Tertiary geologic history and
paleogeography of the central Western Cas-
cade range, Oregon. Oregon Geology, v.48,
no.12, pp.139-151.
Newton, Vernon C, 1969. Subsurface geology of the
lower Columbia and Willamette basins, Ore-
gon. Oregon Dept. Geol. and Mineral
Industries, Oil and Gas Inv., no.2, 121p.
Qamar, Anthony, et al., 1986. Earthquake hypocen-
ters in Washington northern Oregon. Wash.
Div. Geology and Earth Res., Info. Circular
82, 64p.
Roberts, M.C., 1984. The late Cenozoic history of an
alluvial fill: the southern Willamette Valley,
Oregon, pp.491-503. In: Mahaney, W.C., ed.
Correlation of Quaternary chronologies. Geo
Books, Norwich England.
and Whitehead, Donald R., 1984. The palynolo-
gy of a non-marine Neogene deposit in the
Willamette Valley, Oregon. Rev. of Paleo-
botany and Palynology, v.41, pp.1-12.
Schlicker, Herbert G., and Deacon, Robert J., 1967.
Engineering Geology of the Tualatin Valley
region, Oregon. Oregon. Dept. Geol. and
Mineral Indus., Bull.60, 103p.
Significant Oregon earthquakes in 1991. Oregon
Geology, v.53, no.5, p.107.
Snavely, Parke D., and Wagner, Holly C, 1963. Ter-
tiary geologic history of western Oregon and
Washington. Wash., Div. of Mines and Ge-
ology, Report of Investig., no.22, 25p.
and Wells, Ray E., 1991. Ceonzoic evolution of
the continental margin of Oregon and Wash-
ington. U.S. Geol. Survey, Open-File Re-
port 91-441-B, 34p.
Thayer, Thomas P., 1939. Geology of the Salem Hills
and the North Santiam River basin, Oregon.
Oregon. Dept. Geol. and Mineral Indus.,
Bull. 15, 40p.
Tolan, Terry L., and Beeson, M.H., 1984. Intracan-
yon flows of the Columbia River Basalt
Group in the lower Columbia River gorge
and their relationship to the Troutdale For-
mation. Geol. Soc. Amer., Bull., v.95,
pp.463-477.
Trimble, Donald E., 1963. Geology of Portland, Ore-
gon, and adjacent areas. U.S. Geol. Survey,
Bull.1119, 119p.
Werner, Kenneth Stefan, 1990. I. Direction of maxi-
mum horizontal compression in western Ore-
gon determined by borehole breakouts. II.
Structure and tectonics of the northern
Willamette Valley, Oregon. Ms., Oregon
State Univ., 159p.
Wong, Ivan G., Silva, Walter J., and Madin, Ian P.,
1990. Preliminary assessment of potential
strong earthquake ground shaking in the
Portland, Oregon, metropolitan area.
Oregon Geology, v.52, no.6, p.131-134.
Yeats, Robert S., 1989. Current assessment of earth-
quake hazard in Oregon. Oreogn Geology,
v.51, no.4, pp.90-92.
et al., 1991. Tectonics of the Willamette Valley,
Oregon. U.S. Geol. Survey Open-file Report
91-441-P, 47p.
