National Park Service Geologic Map of Santa Monica Mountains National Recreation Area U.S. Department of the Interior California Geologic Resources Inventory Natural Resource Stewardship and Science

This map displays geologic map data compiled by the National Park Service Geologic Resources Inventory. Full Extent of GRI GIS Data It is not a substitute for site-specific investigations. Tss C O N E J O V A L L E Y Source Maps Poster Layout CALIFORNIA34 Tsi Tlv Blvd Canyon Topanga S A N F E R N A N D O Campbell, R.H., C.J. Wills, P.J. Irvine, and B.J Swanson (digital preparation by Chase Winters and Georgia Hybels C.I. Gutierrez and M.D. O'Neal). 2014. Preliminary geologic map of the (Colorado State University) V A L L E Y Kc Los Angeles 30' x 60' quadrangle, California (scale 1:100,000). Version 2.0. Poster Date California Geological Survey and the US Geological Survey. September 2016 National Park 23 Service Headquarters Tan, S.S., K.B. Clahan, C.S. Hitchcock, C.I. Gutierrez, and M.T. Mascorro. 2004. GRI Data Date Geologic map of the Camarillo 7.5-minute quadrangle, Ventura County, August 2016 California (scale 1:24,000). Version 1.0. Preliminary geologic maps. California O X N A R D Geological Survey. 101 P L A I N Wills, C.J., R.H. Campbell, and P.J. Irvine. 2012. Geologic map database of the Santa Monica Mountains region, Los Angeles and Ventura Counties, PACIFIC Tm California (scale 1:24,000). Unpublished. California Geological Survey. OCEAN Satwiwa Native Source Scales 1:24,000 &1:100,000 American Indian Ventura Freeway Tmb According to US National Map accuracy standards, features are within 25 m Culture Center Qoa 101 (82 ft) of their true location. All Geologic Resources Inventory geologic map data and publications are available at http://go.nps.gov/gripubs Tia 27 Tid Encino Ttcb Qyf2 Tcoab Reservoir Qya2 Tms Mulholland MARVIN Qw Ttcb Drive BRAUDE OAK FOREST Tm CANYON Las Virgenes MULHOLLAND Tcob Ttce NATURAL Ti Tcoaa Reservoir Mulholland GATEWAY 1 PARK AREA Tcoaf Highway SAN VICENTE FOSSIL Malibu Tm 405 Western Qya MOUNTAIN RIDGE PETER Town Kgr PARK PARK Sandstone Tms STRAUSS Tcoab Tcb Bowl Ttcb Peak Ktr Qya RANCH Ttcc Ktc Tt Tco ? Tcobb Tcb Ttcbs Tib ? Fault Tm Tcoa ? Ts Mulholland BONEY MOUNTAINCIRCLE X Santa Monica Topanga GarapitoCanyon Jsms ? Old Topanga Drive Creek Ttb RANCH ? Mountains Ktb Stone Qes ? Ts Canyon Road Eagle Qoa Tcob ? ? Kgr Tcobb Tcobf Visitor Center Tcb Springs Canyon FRYMAN Ttcb RED ROCK RUNYON Qoa VENTURA COBackbone Eagle Jsm Reservoir CANYON Tcob Tcobf CANYON Ti Ti CANYON Trail Tcobb Topanga Rock Canyon Tcoab LOS ANGELES CO PARK PARK Mugu PARK Tcb FRANKLIN 101 ? Tcop Lagoon Ts CANYON P Ttc Qb acific Tvd Coast Ttcb Tia Qls TOPANGA Qaf High 23 Tv TAPIA? PARK? ? Backbone w ? STATE PARK Jsm £33 ay Ttc ? Trail ¤ THORNHILL Ti Tv Ttcc POINT MUGU Ttcc ? Ttcf Ti Ts 138 BROOME Ts ? Location Map Tcob Tcop ?

Tib Tia ? Ttcf BEACH Malibu ? Quarry Lancaster S Ti Saddle Ti A Tl Ttc N Canyon Qya Tv Tss Peak T Getty 5 CALIFORNIA Ti N1 Ttcf Qls A Ktb

Ti Ti Museum Ts Ktb Sycamore Ttce Ti Y Ti Bowl Tcbe Tcbn b 138 Solstice li N 33 Creek Ma u Cove E Ts Tv Z Fault Malibu Ts 101 Ttcb C Canyon Ktc Tcos Tcom C Tv r Ti 126 BASS ROCK Mulholland e Tss A Beverly

e Tss Solstice ? m N Hills Canyon k Tv Kt Kt Highway Y Ventura Tvn Tib Tcbl ? Ts O Tv ? Thousand 2 COUNTY LINE BEACH Tcbd Tss N WILL ROGERS 210

2 Oaks Kt Ts STATE HISTORIC PARK Tarzana405 Qoft Tcor Kt Getty TEMESCAL Qof2 1 Tss Tz Tco Kt Villa GATEWAY 210 SEQUIT NICHOLAS Ttc COUNTY Malibu Malibu Coast Fault PARK POINT Coast Solstice Fault 1 10 PACIFIC OCEAN BEACH Qya PACIFIC Malibu Santa Los Fault Tvd Tz Malibu Pier PALISADES Angeles Qoft Tr LAS TUNAS TOPANGA Monica Malibu Lagoon LAS BEACH PARK 33 LA PIEDRA ZUMA DAN BEACH TEMESCAL 10 Tz 1 Puerco MALIBU Qw FLORES Santa Monica STATE BEACH BEACH BLOCKER Canyon CANYON PARK EL PESCADOR BLUFFS MALIBU BEACH Topanga Channel Islands Mountains NRA COUNTY BEACH Fault LAGOON Lagoon WILL ROGERS STATE BEACH PARK National Park STATE S A N BEACH Long T A M 1 North 0 3 6 BEACH O SANTA MONICA Beach Kilometers Tmt N I PACIFIC C BEACH Miles POINT DUME A 0 3 6 B Qb OCEAN STATE RESERVE A (WESTWARD BEACH) Qom POINT DUME Y Santa Monica Pier

NPS Boundary Geologic Contacts Qyf2 Young alluvial-fan deposits, Unit 2 (late Pleistocene to Holocene) Tcbl Calabasas Formation, Latigo Canyon Breccia Member (late middle Miocene) Tcobz Conejo Volcanics, basaltic lower zone, basaltic sand (middle Miocene) Ts Sespe Formation, undivided (early Miocene, Oligocene, and late Eocene) Known or certain, dashed where approximate, short dashed where inferred, dotted where concealed Qoft Alluvial fan deposits on wave-cut surface (late Pleistocene to Holocene) Tcbe Calabasas Formation, Escondido Canyon Shale Member (late middle Miocene) Tcom Conejo Volcanics, Malibu Bowl Tongue (middle Miocene) Tsp Sespe Formation, Piuma Member (early Miocene) Infrastructure ?? Approximate and queried Qoa Old alluvium, undivided (middle to late Pleistocene) Tr Trancas Formation, undivided (middle and early Miocene) Tcos Conejo Volcanics, Solstice Canyon Tongue (middle Miocene) Tl Llajas Formation (early to middle Eocene) Point of interest ?? Inferred and queried Water or shoreline, dashed where approximate City Qof4 Old fan deposits, Unit 4 (late Pleistocene) Tra Trancas Formation, quartz-bearing calcarenites (middle and early Miocene) Tcor Conejo Volcanics, Ramera Canyon Tongue (middle Miocene) Tss Santa Susana Formation (late Paleocene to early Eocene) River or stream Geologic Units Road/trail Qof2 Old fan deposits, Unit 2 (late Pleistocene) Tz Zuma Volcanics (middle and early Miocene) Ti Intrusive rocks, undivided (middle Miocene) Tssl Santa Susana Formation, limestone (late Paleocene to early Eocene) Water Railroad Qof1 Old fan deposits, Unit 1 (late Pleistocene) Tt Topanga Group, undivided (middle and early Miocene) Tid Intrusive rocks, dacite (middle Miocene) Tlv Las Virgenes Sandstone (early(?) Paleocene) Volcanic Line Features Qaf Artificial fill (late Holocene) Topanga Group, intrusive and extrusive volcanic rocks (middle and early Qom Ttb Tia Tsi Tuff marker bed, known or certain Old shallow marine deposits on wave-cut surface (late Pleistocene) Miocene) Intrusive rocks, andesitic (middle Miocene) Simi Conglomerate, undivided (Paleocene) Qa Alluvium (late Holocene) Folds Sedimentary rocks of the Pacific Palisades area (late Pliocene to early QTms Tco Tib Kc Pleistocene) Conejo Volcanics, undivided (middle Miocene) Intrusive rocks, basaltic (middle Miocene) Chatsworth Formation (Late Cretaceous) Anticline, known or certain, dashed where approximate, Qw Wash deposits (late Holocene) dotted where concealed Tm Modelo Formation, undivided (late and middle Miocene) Tcod Conejo Volcanics, dacite-bearing upper zone (middle Miocene) Tim Mixed rocks (middle Miocene and early or early middle Miocene) Kt Tuna Canyon Formation, undivided (Late Cretaceous) Syncline, known or certain, dashed where approximate, Qb Beach deposits (late Holocene) dotted where concealed Tmd Modelo Formation, diatomaceous shale (late and middle Miocene) Tcoa Conejo Volcanics, andesitic central zone (middle Miocene) Ttc Topanga Canyon Formation, undivided (middle and early Miocene) Kte Tuna Canyon Formation, informal member 'e' (Late Cretaceous) Overturned anticline, concealed Qe Eolian deposits (late Holocene) Faults Tms Modelo Formation, sandstone (late and middle Miocene) Tcoaf Conejo Volcanics, andesitic central zone, andesitic flows (middle Miocene) Ttcc Topanga Canyon Formation, Cold Creek Member (middle and early Miocene) Ktd Tuna Canyon Formation, informal member 'd' (Late Cretaceous) Thrust fault, known or certain, dashed where approximate, Qf Alluvial fan (Holocene) Conejo Volcanics, andesitic central zone, andesitic agglomerate (middle short dashed where inferred, dotted where concealed Tmb Tcoaa Ttcf Ktc Modelo Formation, "burnt shale" (late and middle Miocene) Miocene) Topanga Canyon Formation, Fernwood Member (middle and early Miocene) Tuna Canyon Formation, informal member 'c' (Late Cretaceous) ?? Thrust fault, approximate and queried Qes Active coastal estuarine deposits (Holocene) Tmt Monterey Shale, undivided (late, middle, and early Miocene) Tcoab Conejo volcanics, andesitic central zone, andesite breccia (middle Miocene) Ttcs Topanga Canyon Formation, Saddle Peak Member (middle and early Miocene) Ktb Tuna Canyon Formation, informal member 'b' (Late Cretaceous) Reverse fault, approximate Qw1 Holocene wash deposit of the Oxnard Plain (Holocene) Unknown offset/displacement, known or certain, dashed where Conejo Volcanics, basaltic lower zone, basalt and andesitic basalt (middle Tmtd Monterey Shale, deformed (middle and early Miocene) Tcob Ttcb Topanga Canyon Formation, Big Sycamore Member (middle and early Miocene) Ktr Trabuco Formation (Late Cretaceous) approximate, short dashed where inferred, dotted where Miocene) concealed Qls Landslide deposits (Holocene and late Pleistocene?) Conejo Volcanics, mixture of andesitic and dacitic flow breccias with some Topanga Canyon Formation, Big Sycamore Member, prominent sandstone bed Tcb Calabasas Formation, undivided (early late Miocene and late middle Miocene) Tcoadb Ttcbs Kgr Granitic rocks (Late Cretaceous) ? ? Unknown offset/displacement, approximate and queried flows (middle middle Miocene) (early middle Miocene) Qya Young alluvium, undivided (Holocene and late Pleistocene) ? ? Unknown offset/displacement, inferred and queried Conejo Volcanics, dacitic flow breccias with some flows (middle middle Tcbs Tcodb Ttce Jsm Calabasas Formation, Stokes Canyon Breccia Member (late middle Miocene) Miocene) Topanga Canyon Formation, Encinal Member (middle and early Miocene) Santa Monica Slate, undivided (Late Jurassic) Detachment fault/decollement, known or certain, dashed where Qya2 Young alluvium, Unit 2 (late Pleistocene) approximate, short dashed where inferred, dotted where Conejo Volcanics, basaltic lower zone, basalt and andestic basalt, basalt flows Tcbmp Tcobf Tv Jsms concealed Calabasas Formation, Mesa Peak Breccia Member (late middle Miocene) (middle Miocene) Valqueros Formation, undivided (early Miocene and Oligocene) Santa Monica Slate, spotted slate (Late Jurassic) Qya1 Young alluvium, Unit 1 (late Pleistocene) Linear Dikes Conejo Volcanics, basaltic lower zone, basalt and andesitic basalt, basaltic Tcbn Tcobb Tvn Jsmp Calabasas Fromation, Newell Sandstone Member (late middle Miocene) breccia (middle Miocene) Vaqueros Formation, San Nicholas Member (early Miocene and Oligocene) Santa Monica Slate, phyllite (Late Jurassic) Ti - Intrusive rocks, undivided (middle Miocene), known or certain, Qyf Young alluvial-fan deposits, undivided (Holocene and late Pleistocene) dashed where approximate Tcbd Calabasas Formation, Dry Canyon Sandstone Member (late middle Miocene) Tcop Conejo Volcanics, basaltic lower zone, pillow basalt (middle Miocene) Tvd Vaqueros Formation, Danielson Member (early Miocene and Oligocene)