by John McPhee
Queen Charlotte Fault
Quien Sabe Fault
radioactive isotopes see also radiometric dating
radiolarian chert: formation of
radiometric dating: argon/argon techniques examples of use potassium/argon techniques of Precambrian rock samarium/ neodymium techniques uranium/lead techniques use of zircons
railroads: causeway across Great Salt Lake choosing Union Pacific route first transcontinental see also Union Pacific Railroad
Rainier, Mt.
rain shadow
Raitt, Russell
ranges, see mountains; names of specific mountain ranges
Raton, New Mexico: as hot spot
Rawlins, Wyoming: in the Old West time spread of surrounding rock
Rawlins Uplift
Red Canyon, Wyoming
red rock: Flaming Gorge list of notable sites origins of in Sierra Nevada in Wyoming
Red Sea and future of Basin and Range triple junction with East African Rift Valley and Gulf of Aden
Reed, John
Reid, Harry Fielding
religion: vs. geology
Reno, site of: physiographic change in distance from site of Salt Lake City
reptiles: in Triassic period see also dinosaurs
rhyolite: as fiery cloud burying part of Tetons vs. granite as part of family of similar rocks volcanic tuff zircons in
rice-field contours, Great Central Valley, California
Richardson, H. H.
Richter, Charles F.
Richter scale
Ridge and Valley Province
ridges, see mid-ocean ridges
rifting: Gulf of California Midcontinent Rift Red Sea
rift valleys: defined East African Rift Valley mid-ocean ridge pattern see also mid-ocean ridges
rises: East Pacific Rise as type of plate boundary see also mid-ocean ridges
rivers: braided characteristics of with common deltas eastern United States and exhumation of the Rockies as geographic borders and glaciation see also streams
roadcuts: batholith contact with country rock west of Donner Summit benched throughcuts complexity in Basin and Range findings Deffeyes’ view in Great Valley of the Appalachians Holy Toledo cut largest on I-80 near Golconda Summit near Golden Gate : near Green River, Wyoming near Paterson, New Jersey in Palisades Sill paucity in Midwest in Sierra Nevada in Stansbury Mountain limestone through Franciscan mélange in Toano Range value to geologists vugs as way to study geology
roads, see highways; Interstate
rock cycle: and uniformitarianism
Rock Springs Uplift
Rocky Mountains: Ancestral in Eocene epoch exhumation of formation of Laramide Orogeny in Miocene epoch and plate tectonics role of wind and thesis of David Love
Rodgers Creek Fault
Rodinia
Rogers, Henry Darwin
roll fronts
Romm, James
Rongis, Wyoming
Roosevelt, Theodore: at Delaware Water Gap in Wyoming
Rose, Peter R.
Roush, Jim
Royal Society of Edinburgh
Ruby Mountains, Nevada
Rue, Matthew
Rush, John
Russia: scientific drilling in
Sabatini, Gabriel
Sacramento, California New Helvetia section
Sacramento River, California
Sahara Desert
Saint-Gaudens, Augustus
Saleeby, Jason
Salinia Terrane
Salisbury Crags, Scotland
salt: and exploding rock
salt domes
Salter, Stephanie
Salt Lake, see Great Salt Lake
Salt Lake City: physiographic change in distance of site from site of Reno site as west coast of North America and Wasatch Fault
Salton Sea
samarium/neodymium dating
San Andreas Fault: Central Creeping Zone described earthquake predictions effect of compression family of faults geomorphological effects intersection with ocean and Loma Prieta earthquake maps of measuring monitoring movement along and Mussel Rock naming of new faults origin of vs. Pacific Plate path of and plate boundaries rate of slip relationship to other faults reservoirs on and rock offsets and San Juan Bautista mission and Santa Cruz Mountains seismic gap see also earthquakes
San Andreas Lake
San Bruno Mountains, California
sandstone: around Love Ranch creation from sand Frontier in Golconda Thrust Holy Toledo cut and meandering streams oil in Old Red Sandstone Pennsylvanian Permian and salt domes in San Francisco hills vs. shale transforming into quartzite uranium in Wyoming in Yerba Buena Island
San Francisco, California: 1906 earthquake 1989 Loma Prieta earthquake and California gold rush geology of hilliness of Marina district Nob Hill Russian Hill skyscrapers of Telegraph Hill
San Francisco Bay: Alcatraz first Europeans to view geologic history Golden Gate Bridge and site San Francisco-Oakland Bay Bridge Yerba Buena Island
San Francisco Bay Area: earthquake predictions exotic terranes in and Franciscan mélange frequency of earthquakes geology of on I-80 and Loma Prieta earthquake map of
San Francisco-Oakland Bay Bridge and earthquakes and Loma Prieta earthquake
San Gregorio Fault
San Joaquin River, California
San Juan Bautista, California
San Marino
Santa Cruz, California
Santa Cruz Mountains, California: and San Andreas Fault
Sargent Fault
Saturday Club
Saxe, John Godfrey
scanning transmission electron microscopes
scarps, see fault scarps
Schaefer, Jack
schist: blue in Franciscan mélange in Macedonia miners’ view of in New York City in Precambrian Wyoming in Sierra Nevada
Schlicting, Emmons
Schmitt, Harrison
Schnur, Harriet and David
Schooley Peneplain
Schuster, Isidor
scintillometers
Sciota, Lake
Scotland: angular unconformities in geologic terminology and golf courses in last Pleistocene ice age Old Red Sandstone formation
Scottish Enlightenment
seafloor: characteristics of early research ephemeral nature of formation of mapping of oldest rocks paleomagnetic findings and plate tectonics see also mid-ocean ridges; ocean crust; ophiolites; spreading centers
sea-level variations and glaciation and plate tectonics
seamounts: dating Emperor Seamounts Great Meteor Hawaiian Seamounts New England Seamounts off Oregon coast Walvis Ridge see also hot spots
seas, see epicontinental seas; oceans
Second World War
Sedgwick, Adam view of Darwin’s The Origin of Species
Sedgwick, Rev. Theodore
sedimentary rock: in Carlin Canyon, Nevada Deffeyes chewing shale dolomite forming on Bonaire, Netherlands Antilles and early Appalachian geologists influence on topography language of pyroclastic debris shale so black it all but smelled of low tide as specialty of Karen Kleinspehn studying uranium in see also breccia; conglomerate; dolomite; limestone; sandstone; shale; siltstone
Seeber, Leonardo
seismic gaps
seismic waves: in hot rock and hot-spot research and Moho and Vibroseis
seismographs
seismology: data on Appalachians and development of plate-tectonic theory gathering data and hot-spot research and mid-ocean rifts Richter scale Vibroseis see also earthquakes
selenium
Separation Flats, Wyoming
serpentine: association with gabbro, diabase, and basalt in Coast Ranges on Cyprus and gold-bearing quartz as grapevine soil in Macedonia near Golden Gate in ocean crust in San Francisco in Sierra Nevada
Seven Cities of Cibola
Seward Peninsula, Alaska
Seychelles: and Africa
shale: so black it all but smelled of l
ow tide creation from mud Deffeyes chewing in Golconda Thrust in Hackensack Valley Mowry oil in in Palisades Sill paper and salt domes vs. sandstone and stream clarity testing for transforming into slate in Yerba Buena Island
Shane
Shasta, Mt.
Shawangunk formation
sheep, Wyoming
sheepherder anticlines
sheeted dikes: on Cyprus defined near Auburn, California in ocean crust in ophiolitic sequence in Sierra Nevada in Yuba Valley
Shell Oil Company: employs David Love view of California geologists
Shepherd, Cybill
Sherman, William Tecumseh
shield rock: defined and hot spots list of and mineral deposits origin of name see also Canadian Shield; cratons
shield volcanoes
Shoshoni Indians
Siberia
Siccar Point, Scotland
Sieh, Kerry
Sierra batholith
Sierra Club
Sierra Madre
Sierra mélange
Sierra Nevada: creation of described Donner Pass Donner Summit on I-80 escarpment fault along eastern base geologic history global antiques analogy granite in granite vs. granodiorite impact of earthquakes ophiolite emplacement rain shadow raised-trapdoor analogy roadcuts varied rock in volcanics in see also gold mining
Signal Mountain, Wyoming
Signor, Guy
Silliman, Benjamin, Jr.
sills: origins of Palisades Sill
siltstone: in Basin and Range creation from silt
Silurian period: characteristics of dispute over Cambro-Silurian line naming of and Ordovician period transcontinental physiographic time line
silver: background of mining in Nevada in Basin and Range and Deffeyes as mine scavenger extraction methods vs. gold mining
Silver, Eli
Silver, Leon
Silver Jim
Sinkiang Depression
Sioux Indians
Skidmore, W. A.
Skull Valley, Utah
slate: blue-gray true unfading Martinsburg formation touching Palisades Sill transforming shale into
Slate Creek, California
slickensides: defined
Smart, Jim
Smartville, California
Smartville Block
Smith, Adam
Smith, Dr. Francis
Smith, William “Strata,”
Snake River, Wyoming
Snake River Plain, Wyoming
snow: and wind in Wyoming
Snowy Range, Wyoming
sodium, see trona
sodium chloride: in Great Salt Lake veneer covering Bonneville Salt Flats see also salt domes
Sohm Abyssal Plain
soil taxonomy: Great Central Valley
solid-earth tides
Solway Firth
Somalian Plate
Sonoma Range, Nevada: earthquake movement of
Sonoma Volcanics
Sonomia Terrane
sound waves, see seismic waves
South Africa: Great Karroo Kalahari Craton Kimberley Mine South African Shield
South America: Jurassic proximity to Africa and ophiolites and plate tectonics
South American Plate
Southern Pacific Railroad see also Central Pacific Railroad
Spain: tectonic history
Spanish-American War
species, extinctions
spectrometers
spectrophotometers
Spitsbergen
Spread Creek, Wyoming
spreading centers: Deffeyes’ oceanographic research and future western seaway map of as method of venting heat and ophiolitic sequence and origin of ocean crust and origin of Smartville Block and plate-tectonic theory as term for places of origin of ice sheets vs. transform faults as type of plate boundary see also mid-ocean ridges
springs, see hot springs
Srebrenick, Murray
Stable Interior Craton: characteristics of see also Archean cratons; Canadian Shield; midcontinent
Stanford, Leland
Stanley Diamond
Stansbury, Capt. Howard
Stansbury Mountains, Utah: and Donner party limestone roadcut as part of Basin and Range
states: boundaries between geological surveys
Steinmann, Gustav
Steinmann Trinity
Stevens, Robert
Stevenson, Robert Louis
St. Helena, Mt., California
St. Helena Highway, California
St. Helena Island Hot Spot
St. Helens, Mt., Washington
Stille, Hans
Stillwater Range, Nevada: earthquake movement of
Strathearn formation
stratigraphy: as course of study as part of geologic structure relationship to tectonics
stratovolcanoes
stream capture: defined
streams: Appalachian behavior of clarity of confluence of language of and limestone meandering Putah Creek and Rockies exhumation value of streamcuts to geologists see also rivers
strike-slip faults: defined Queen Charlotte Fault in San Andreas Fault family in Southeast Asia see also transform faults
strike valleys: defined
strip mining
structure, geologic: role of Swiss in structural geology and stratigraphy and tectonics see also basin-and-range structure
Stuyvesant, Peter
subduction: defined see also subduction zones
subduction zones: defined development of and Franciscan mélange and North American Plate and ophiolitic sequence and San Andreas Fault under South America in South Pacific vs. transform faults as type of plate boundary and volcanism see also trenches, ocean subsistence mining
Suess, Eduard
Sulphur Springs Mountain, California
Sumner, Sen. Charles
Sundance formation: oil in
Sundance Kid
Sundance Sea
Sunda Strait
supercontinents: Pangaea Rodinia (Protopangaea)
supergene enrichments
surface bonanzas
suspect terrane: defined terrain vs. terrane see also exotic terranes
Sutter, Johann Augustus
Sutter Buttes
sutures: defined and plate tectonics see also exotic terranes
Svalbard archipelago
Sweetwater Creek, Wyoming
Sweetwater River, Wyoming
Switzerland: and early ice theorists and structural geologists
Sykes, Lynn
synclines: Fifth Avenue (New York City) as trough of see also anticlines
Taconic Orogeny
Tahoe, Lake
Taiwan: as accretionery wedge movement toward Chinese mainland
Tamalpais, Mt.
Tammany, Mt.
tectonic creep
tectonic knots
tectonics: in Archean Eon and Archean-Proterozoic transition continental escape theory and structure see also plate tectonics
Teilhard de Chardin, Pierre
Telegraph Hill, San Francisco
Telephone Canyon, Wyoming
Temple, Peter
Tensleep formation
terminal moraines: in Brooklyn defined and early ice theorists vs. outwash plains and Wisconsinan ice sheet
terminology, geological
terrain: defined vs. terrane see also terranes
terranes: defined suspect vs. terrain see also exotic terranes
Tertiary period: characteristics of rock folding and faulting in
Tethys Ocean: African side and Cyprus defined Eurasian side map of remains
Teton Range, Wyoming complexity of landscape and David Jackson formation of and glaciation and hot spots and Jackson Hole lakes in studied by David Love and Western movies
Texas: in Cambrian period drilling into Houston topography
Tharp, Marie
theology: vs. geology
Thermopolis, Wyoming
Thermopylae
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br /> Thesaurus Geographicus
Thom, Taylor
Thomas, Rev. Nathaniel
Thoreau, Henry David
Threshold of Reflection
thrust sheets see also Overthrust Belt
Tibet and Tibetan Plateau
tides: solid-earth
till: defined
tilt blocks
Timbuctoo
time lines, physiographic: Cambrian period contemporary United States Eocene epoch Mississippian period Ordovician period Pennsylvanian period Precambrian time Silurian period Triassic period
time scale, see geologic time
Toano Range, Nevada
Tobin Range, Nevada
Toiyabe Range, Nevada
Tollgate Rock, Wyoming
Tom, Mt.
Tomales Bay, California
Tonga-Kermadec arc
Tonka formation
topography: seeing beneath
transcontinental railroad: choosing route and gold rush
transform faults: California triple junction : on Cyprus effects of motion land vs. ocean Mendocino trend Queen Charlotte Fault San Andreas Fault vs. spreading centers vs. subduction zones vs. trenches
Trans-Hudson Orogen
Transverse Ranges, California
travertine in Pleasant Valley
trenches, ocean: Aleutian Trench Cayman Trench converging Japan Trench Java Trench Kuril Trench Manila Trench Marianas Trench and North American Plate and ophiolitic sequence and Pacific Plate Pru-Chile Trench and plate tectonics Puerto Rico Trench vs. transform faults as type of plate boundary see also subduction zones
Triassic period: characteristics of naming of oxygen in atmosphere subdivisions of transcontinental physiographic time line
trilobites
Trinity Range, Nevada
triple junctions: Cape Mendocino East African Rift Valley, Gulf of Aden, and Red Sea map of and Midcontinent Rift North American Plate, Pacific Plate, and Farallon Plate
Trist, Nicholas P.
Tristan da Cunha Hot Spot
trona resource issues
tuff, volcanic see also welded tuff
tulares: defined
tunnels Carlin Canyon, Nevada Green River, Wyoming Yerba Buena Island
turtlebacks
Twain, Mark
type localities: Hayward, California as
Uinta, Lake
Uinta Mountains, Utah: and age of Green River characteristics of creation of and plate tectonics vs. Wind River Range
Ukrainian Shield
unconformities: defined in Grand Canyon Great Sierra Nevada Unconformity in Wyoming rock see also angular unconformities
underground testing
unidentified flying object
uniformitarianism
Union Pacific Railroad: Cheyenne station and Credit Mobilier and gangplank influence of monument to Oakes and Oliver Ames routing of