U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Directorate Geologic Resources Division Santa Monica Mountains National Recreation Area GRI Ancillary Map Information Document Produced to accompany the Geologic Resources Inventory (GRI) Digital Geologic Data for Santa Monica Mountains National Recreation Area samo_geology.pdf Version: 8/4/2016 I Santa Monica Mountains National Recreation Area Geologic Resources Inventory Ancillary Map Information Document for Santa Monica Mountains National Recreation Area Table of Contents Geolog.i.c. .R...e..s.o..u..r.c..e..s.. .I.n..v.e..n..t.o..r..y. .M...a..p.. .D..o..c..u..m...e..n..t....................................................................... 1 About th..e.. .N...P..S.. .G...e..o..l.o..g..i.c. .R...e..s.o..u..r.c..e..s.. .I.n..v.e..n..t.o..r..y. .P...r.o..g..r.a..m........................................................... 3 GRI Dig.i.t.a..l. .M...a..p..s. .a..n..d.. .S...o..u..r.c..e.. .M..a..p.. .C...i.t.a..t.i.o..n..s........................................................................... 5 Digital G...e..o..l.o..g..i.c.. .M..a..p.. .o..f. .S...a..n..t.a.. .M..o..n..i.c..a.. .M...o..u..n..t.a..i.n..s. .N...a..t.i.o..n..a..l. .R..e..c..r.e..a..t.i.o..n.. .A..r.e..a.......................... 6 Map Un..it. .L..i.s..t................................................................................................................................................................. 6 Map Un..it. .D...e..s..c..r.i.p..t.io..n..s.................................................................................................................................................... 9 Qaf - .A...r.t.i.f.i.c..ia..l. .f.i.l.l .(..la..t.e.. .H...o..lo..c..e..n..e..)......................................................................................................................... 9 Qa - A..l.l.u..v..iu..m... .(.l.a..t.e.. .H..o..l.o..c..e..n..e..).............................................................................................................................. 9 Qw .-. .W...a..s..h.. .d..e..p..o..s..i.t.s.. .(.l.a..t.e.. .H..o..l.o..c..e..n..e..)................................................................................................................ 10 Qb -. .B..e..a..c..h.. .d..e..p..o..s..i.t.s.. .(.l.a..t.e.. .H..o..l.o..c..e..n..e..)................................................................................................................ 10 Qe -. .E..o..li.a..n.. .d..e..p..o..s..i.t.s.. .(.l.a..t.e.. .H..o..l.o..c..e..n..e..)................................................................................................................. 10 Qf - .A...ll.u..v..i.a..l .f..a..n.. .(.H..o..l.o..c..e..n..e..)............................................................................................................................... 10 Qes .-.. .A..c..t.i.v..e.. .c..o..a..s..t.a..l. .e..s..t.u..a..r.i.n..e.. .d..e..p..o..s..it.s.. .(..H..o..l.o..c..e..n..e..)........................................................................................ 10 Qf3 .-. .L..a..t.e.. .H..o..l.o..c..e..n..e.. .a..l.lu..v..i.a..l. .f.a..n.. .d..e..p..o..s..i.t.s.. .o..f. .t.h..e.. .O...x..n..a..r.d.. .P..l.a..in.. .a..s..s..o..c..i.a..t.e..d.. .w...i.t.h.. .u..n..i.t. .Q..w....3.. .(.H..o..l.o..c..e..n..e..)............. 11 Qw 2.. .-. .H..o..l.o..c..e..n..e.. .w...a..s..h.. .d..e..p..o..s..i.t.s.. .o..f. .t.h..e.. .O...x..n..a..r.d.. .P..l.a..i.n.. .(.H..o..l.o..c..e..n..e..)..................................................................... 11 Qa2 .-.. .H..o..l.o..c..e..n..e.. .a..ll.u..v..i.a..l .d..e..p..o..s..i.t.s.. .o..f. .t.h..e.. .O...x..n..a..r.d.. .P..l.a..i.n.. .(.H..o..l.o..c..e..n..e..)..................................................................... 11 Qf2 .-. .L..a..t.e.. .H..o..l.o..c..e..n..e.. .a..l.lu..v..i.a..l. .f.a..n.. .d..e..p..o..s..i.t.s.. .o..f. .t.h..e.. .O...x..n..a..r.d.. .P..l.a..in.. .a..s..s..o..c..i.a..t.e..d.. .w...i.t.h.. .u..n..i.t. .Q..w....2.. .(.H..o..l.o..c..e..n..e..)............. 11 Qw 1.. .-. .H..o..l.o..c..e..n..e.. .w...a..s..h.. .d..e..p..o..s..i.t. .o..f. .t.h..e.. .O...x..n..a..r.d.. .P..l.a..i.n.. .(.H..o..l.o..c..e..n..e..)....................................................................... 11 Qf1 .-. .H..o..l.o..c..e..n..e.. .a..l.lu..v..i.a..l. .f.a..n.. .d..e..p..o..s..i.t.s.. .o..f. .t.h..e.. .O...x..n..a..r.d.. .P..l.a..in.. .a..s..s..o..c..i.a..t.e..d.. .w...i.t.h.. .u..n..i.t. .Q..w....1.. .(.H..o..l.o..c..e..n..e..)..................... 11 Qyff. .-. .H...o..lo..c..e..n..e.. .a..l.l.u..v..ia..l. .d..e..p..o..s..i.t.s.. .(.H..o..l.o..c..e..n..e..).................................................................................................... 11 Qls -. .L..a..n..d..s..l.i.d..e.. .d..e..p..o..s..it.s.. .(..H..o..l.o..c..e..n..e.. .a..n..d.. .la..t.e.. .P..l.e..i.s..t.o..c..e..n..e..?..).............................................................................. 11 Qya .-.. .Y..o..u..n..g.. .a..l.l.u..v..iu..m...,. .u..n..d..i.v..id..e..d.. .(..H..o..l.o..c..e..n..e.. .a..n..d.. .la..t.e.. .P..l.e..i.s..t.o..c..e..n..e..)................................................................... 12 Qya4.. .-.. .Y..o..u..n..g.. .a..l.l.u..v..iu..m...,. .U..n..i.t. .4.. .(.H...o..lo..c..e..n..e..)......................................................................................................... 12 Qya3.. .-.. .Y..o..u..n..g.. .a..l.l.u..v..iu..m...,. .U..n..i.t. .3.. .(.H...o..lo..c..e..n..e.. .a..n..d.. .l.a..t.e.. .P..l.e..is..t.o..c..e..n..e..)........................................................................ 12 Qya2.. .-.. .Y..o..u..n..g.. .a..l.l.u..v..iu..m...,. .U..n..i.t. .2.. .(.l.a..t.e.. .P..l.e..is..t.o..c..e..n..e..)............................................................................................... 12 Qya1.. .-.. .Y..o..u..n..g.. .a..l.l.u..v..iu..m...,. .U..n..i.t. .1.. .(.l.a..t.e.. .P..l.e..is..t.o..c..e..n..e..)............................................................................................... 12 Qyf .-. .Y...o..u..n..g.. .a..ll.u..v..i.a..l-..f.a..n.. .d..e..p..o..s..i.t.s..,. .u..n..d..iv..i.d..e..d.. .(.H...o..lo..c..e..n..e.. .a..n..d.. .l.a..t.e.. .P..l.e..is..t.o..c..e..n..e..)................................................. 12 Qyf3.. .-. .Y...o..u..n..g.. .a..ll.u..v..i.a..l-..f.a..n.. .d..e..p..o..s..i.t.s..,. .U..n..i.t. .3.. .(.l.a..t.e.. .P..le..i.s..t.o..c..e..n..e.. .t.o.. .H..o..l.o..c..e..n..e..)........................................................ 13 Qyf2.. .-. .Y...o..u..n..g.. .a..ll.u..v..i.a..l-..f.a..n.. .d..e..p..o..s..i.t.s..,. .U..n..i.t. .2.. .(.l.a..t.e.. .P..le..i.s..t.o..c..e..n..e.. .t.o.. .H..o..l.o..c..e..n..e..)........................................................ 13 Qyf1.. .-. .Y...o..u..n..g.. .a..ll.u..v..i.a..l-..f.a..n.. .d..e..p..o..s..i.t.s..,. .U..n..i.t. .1.. .(.l.a..t.e.. .P..le..i.s..t.o..c..e..n..e.. .t.o.. .H..o..l.o..c..e..n..e..)........................................................ 13 Qoft. .-. .A...ll.u..v..i.a..l .f..a..n.. .d..e..p..o..s..it.s.. .o..n.. .w....a..v..e..-.c..u..t. .s..u..r.f..a..c..e.. .(.l.a..t.e.. .P..le..i.s..t.o..c..e..n..e.. .t.o.. .H..o..l.o..c..e..n..e..)............................................ 13 Qoa .-.. .O..l.d.. .a..l.lu..v..i.u..m...,. .u..n..d..iv..i.d..e..d.. .(.m...i.d..d..le.. .t.o.. .l.a..t.e.. .P..l.e..is..t.o..c..e..n..e..)................................................................................. 13 Qoa2.. .-.. .O..l.d.. .a..l.lu..v..i.u..m...,. .U..n..i.t. .2.. .(.l.a..t.e.. .P..le..i.s..t.o..c..e..n..e..).................................................................................................... 13 Qoa1.. .-.. .O..l.d.. .a..l.lu..v..i.u..m...,. .U..n..i.t. .1.. .(.m...id..d..l.e.. .P..l.e..is..t.o..c..e..n..e..)................................................................................................ 14 Qof .-. .O...ld.. .f..a..n.. .d..e..p..o..s..it.s..,. .u..n..d..i.v..i.d..e..d.. .(.m...id..d..l.e.. .t.o.. .l.a..t.e.. .P..le..i.s..t.o..c..e..n..e..).......................................................................... 14 Qof4.. .-. .O...ld.. .f..a..n.. .d..e..p..o..s..it.s..,. .U...n..it. .4.. .(..la..t.e.. .P..l.e..i.s..t.o..c..e..n..e..)............................................................................................. 14 Qof3.. .-. .O...ld.. .f..a..n.. .d..e..p..o..s..it.s..,. .U...n..it. .3.. .(..la..t.e.. .P..l.e..i.s..t.o..c..e..n..e..)............................................................................................. 14 Qof2.. .-. .O...ld.. .f..a..n.. .d..e..p..o..s..it.s..,. .U...n..it. .2.. .(..la..t.e.. .P..l.e..i.s..t.o..c..e..n..e..)............................................................................................. 14 Qof1.. .-. .O...ld.. .f..a..n.. .d..e..p..o..s..it.s..,.