Here is a list of potential boulder collecting sites. The link will take you to a file that has
-Legal Location (Township, Range, Section)
-Latitude, Longitude
-Age of Rock
-Formation
-Location Maps at 1:250K, 100K and 24K
-Geologic Maps at 1:100K and 24K
-Land Status (ownership) Map
-Aerial Photograph
-Legal Location (Township, Range, Section)
-Latitude, Longitude
-Age of Rock
-Formation
-Location Maps at 1:250K, 100K and 24K
-Geologic Maps at 1:100K and 24K
-Land Status (ownership) Map
-Aerial Photograph
Site Age Location Formation
01A-1 preCambrian Goler Wash Early PreCambrian
01A-2 preCambrian Goler Wash Late PreCambrian
01B preCambian or
Paleozoic B El Paso Mnts, Iron Canyon Garlock Series
01C-1 preCambran C-1 Frazier Mnt Gneiss
01C-2 preCambrian C-2 Frazier Mnt Gneiss
01D preCambrian or Tehachapi Mnts
Mesozoic Cal Portland Cement Marble
01E preCambrian Randsburgh Mnts Randsburgh Schist
02A Cambrian A White Mountains,
Windgate Pass Area Poleta Formation
02B Cambrian B White Mountains,
Westguard Pass Area Campito Formation
02C Paleozoic or older Cave Mnt, Baxter Mine Paleozoic or older
02D Paleozoic or older Quartzite Mnt, Oro Grande Mine Paleozoic or older
02E Paleozoic, uncertain San Andreas, Quarry Paleozoic, uncertain
Possibley Jurassic
03A Ordovician A Talc City Hills White Swan-
Viking Mines Ely Springs Dolomite
03B Ordovician-Silurian Inyo Mnts, Federal White Aggregate Hidden Valley and
Ely Springs Dolomites
04A Silurian and Devonian A Inyo Mountains, Bonham Mine Hidden Valley Dolomite
05A Devonian Inyo Mountains Bonham Mine Lost Burro Formation
06A Pennsylvanian and
Permian Talc City Hills Silver Dollar Mine Keeler Formation
07A Jurassic pluton A Edison Electric Plant White Quartz Monzonite
07B Jurassic (?) pluton B Ball Mountain, Bodfish Bodfish Gabbro
Layered basic intrusive
07C Jurassic Marine Mt. Bulleon, Quarry Upper Jurassic Marine
08A Jurassic-Triassic A Panamint Mountains,
Anvil Springs Canyon Triassic Marine
08B Jurassic-Triassic B Robinson Point, Lake Isabella Long Canyon Formation
(slate, schist)
08C Jurassic-Triassic C Lake Isabella, Lime Point Long Canyon Formation (limestone)
09AB Jurassic and/or
Cretaceous AB Road Cut on Hwy 166 Franciscan Serpentine
10A Jurassic and/or
Cretaceous C Garcia Mountains, Charlie Valley Espada Formation
10B Jurassic and/or
Cretaceous D Garcia Mountains, Alamo Creek Espana Formation
10C Mesozoic Fountain Springs Quarry Granite and Gabbro
11A-1 Cretaceous (Early) Mineral King, Empire Mine Road Metarhyolite Tuff
11A-2 Cretaceous (Early) Mouth of Kern Canyon Quartz Diorite
11B Cretaceous B Bluestone Ridge, Blue Point Gravely Flat Formation
11C Cretaceous C Bluestone Ridge, Cottonwood Canyon Panoche Fm, Johnson Peak
Sandstone Member
11D Cretaceous D Avenal Ridge, Cottonwood Creek Panoche Fm, Catskill
Canyon Sandstone Member
11E Cretaceous E Lake Isabella Boat Launch French Gulch Metavolcanic
Pendent
12A Tertiary intrusives A Goler Wash Tertiary intrusives
12B Tertiary, Dacite B Twin Oaks Unnamed Dacite
12C Tertiary, Rhyolite flow C Twin Oaks Unnamed Rhyolite
13A Paleocene (Eocene or
Cretaceous) A La Panza Range, Carrizo Canyon Unnamed Paleocene
13B Paleocene (Eocene or
Cretaceous) B Sierra Madre, Cuyama River Unnamed Paleocene
14A Eocene A San Emigdio Mnts, San Emigdio
Canyon Tejon Formation
15A Oligocene A San Emigdio Mnts, Valle Vista
Campground Simler Formation
16A Miocene A Santa Maria Unnamed Pyroclastic
16B Miocene B Quail Lake Quail Lake Formation
16C Miocene C Goreman Neenach Fm
16D Miocene D Pinnacles Nat'l Park Neenach Fm
16E Miocene E Taft Production Kitty Litter Mine Gould Member of the
Monterey Fm
16F Miocene F Tepusquet Canyon, Quarry Monterey Fm
16G Miocene G Soldedad Mnt, Mine Gem Hill Fm
16H Miocene H Lompoc, Celite Diatomite Mine Sisquoc Fm
16-I Miocene I Fish Creek Mnts, U.S. Gypsum Mine Fish Creek Fm
17A Pliocene A Kettleman Hills Etchegoin Formation
17B Pliocene B Reef Ridge Etchegoin Formation
18A Pleistocene A Road Cut on Round Mountain Road Kern River Formation
Oil Sand
18B Pleistocene B Abandoned Quarry Kern River Formation
18C Pleistocene C Road Cut on Hwy 179,
Rio Bravo Country Club Kern River Formation
18D Pleistocene D Junction Hwy 33 and 56 Belridge member,
south of McKittrick Monterey Formation
18E Pleistocene E Grimes Canyon Monterey Shale
01A-1 preCambrian Goler Wash Early PreCambrian
01A-2 preCambrian Goler Wash Late PreCambrian
01B preCambian or
Paleozoic B El Paso Mnts, Iron Canyon Garlock Series
01C-1 preCambran C-1 Frazier Mnt Gneiss
01C-2 preCambrian C-2 Frazier Mnt Gneiss
01D preCambrian or Tehachapi Mnts
Mesozoic Cal Portland Cement Marble
01E preCambrian Randsburgh Mnts Randsburgh Schist
02A Cambrian A White Mountains,
Windgate Pass Area Poleta Formation
02B Cambrian B White Mountains,
Westguard Pass Area Campito Formation
02C Paleozoic or older Cave Mnt, Baxter Mine Paleozoic or older
02D Paleozoic or older Quartzite Mnt, Oro Grande Mine Paleozoic or older
02E Paleozoic, uncertain San Andreas, Quarry Paleozoic, uncertain
Possibley Jurassic
03A Ordovician A Talc City Hills White Swan-
Viking Mines Ely Springs Dolomite
03B Ordovician-Silurian Inyo Mnts, Federal White Aggregate Hidden Valley and
Ely Springs Dolomites
04A Silurian and Devonian A Inyo Mountains, Bonham Mine Hidden Valley Dolomite
05A Devonian Inyo Mountains Bonham Mine Lost Burro Formation
06A Pennsylvanian and
Permian Talc City Hills Silver Dollar Mine Keeler Formation
07A Jurassic pluton A Edison Electric Plant White Quartz Monzonite
07B Jurassic (?) pluton B Ball Mountain, Bodfish Bodfish Gabbro
Layered basic intrusive
07C Jurassic Marine Mt. Bulleon, Quarry Upper Jurassic Marine
08A Jurassic-Triassic A Panamint Mountains,
Anvil Springs Canyon Triassic Marine
08B Jurassic-Triassic B Robinson Point, Lake Isabella Long Canyon Formation
(slate, schist)
08C Jurassic-Triassic C Lake Isabella, Lime Point Long Canyon Formation (limestone)
09AB Jurassic and/or
Cretaceous AB Road Cut on Hwy 166 Franciscan Serpentine
10A Jurassic and/or
Cretaceous C Garcia Mountains, Charlie Valley Espada Formation
10B Jurassic and/or
Cretaceous D Garcia Mountains, Alamo Creek Espana Formation
10C Mesozoic Fountain Springs Quarry Granite and Gabbro
11A-1 Cretaceous (Early) Mineral King, Empire Mine Road Metarhyolite Tuff
11A-2 Cretaceous (Early) Mouth of Kern Canyon Quartz Diorite
11B Cretaceous B Bluestone Ridge, Blue Point Gravely Flat Formation
11C Cretaceous C Bluestone Ridge, Cottonwood Canyon Panoche Fm, Johnson Peak
Sandstone Member
11D Cretaceous D Avenal Ridge, Cottonwood Creek Panoche Fm, Catskill
Canyon Sandstone Member
11E Cretaceous E Lake Isabella Boat Launch French Gulch Metavolcanic
Pendent
12A Tertiary intrusives A Goler Wash Tertiary intrusives
12B Tertiary, Dacite B Twin Oaks Unnamed Dacite
12C Tertiary, Rhyolite flow C Twin Oaks Unnamed Rhyolite
13A Paleocene (Eocene or
Cretaceous) A La Panza Range, Carrizo Canyon Unnamed Paleocene
13B Paleocene (Eocene or
Cretaceous) B Sierra Madre, Cuyama River Unnamed Paleocene
14A Eocene A San Emigdio Mnts, San Emigdio
Canyon Tejon Formation
15A Oligocene A San Emigdio Mnts, Valle Vista
Campground Simler Formation
16A Miocene A Santa Maria Unnamed Pyroclastic
16B Miocene B Quail Lake Quail Lake Formation
16C Miocene C Goreman Neenach Fm
16D Miocene D Pinnacles Nat'l Park Neenach Fm
16E Miocene E Taft Production Kitty Litter Mine Gould Member of the
Monterey Fm
16F Miocene F Tepusquet Canyon, Quarry Monterey Fm
16G Miocene G Soldedad Mnt, Mine Gem Hill Fm
16H Miocene H Lompoc, Celite Diatomite Mine Sisquoc Fm
16-I Miocene I Fish Creek Mnts, U.S. Gypsum Mine Fish Creek Fm
17A Pliocene A Kettleman Hills Etchegoin Formation
17B Pliocene B Reef Ridge Etchegoin Formation
18A Pleistocene A Road Cut on Round Mountain Road Kern River Formation
Oil Sand
18B Pleistocene B Abandoned Quarry Kern River Formation
18C Pleistocene C Road Cut on Hwy 179,
Rio Bravo Country Club Kern River Formation
18D Pleistocene D Junction Hwy 33 and 56 Belridge member,
south of McKittrick Monterey Formation
18E Pleistocene E Grimes Canyon Monterey Shale