U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Directorate Geologic Resources Division Scotts Bluff National Monument GRI Ancillary Map Information Document Produced to accompany the Geologic Resources Inventory (GRI) Digital Geologic Data for Scotts Bluff National Monument scbl_geology.pdf Version: 10/17/2014 I Scotts Bluff National Monument Geologic Resources Inventory Ancillary Map Information Document for Scotts Bluff National Monument 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........................................................... 2 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........................................................................... 4 GRI Dig.i.t.a..l. .G...e..o..l.o..g..i.c. .M...a..p.. .o..f. .S..c..o..t.t.s.. .B..l.u..f.f. .N..a..t.i.o..n..a..l. .M...o..n..u..m...e..n..t.,. .N..e..b..r.a..s..k..a................................ 5 Map Un..it. .L..i.s..t................................................................................................................................................................. 5 Map Un..it. .D...e..s..c..r.i.p..t.io..n..s.................................................................................................................................................... 6 Anthr.o..p..o..g..e..n..ic.. .M...a..t.e..r.i.a..l.s...................................................................................................................................... 6 Qcrs - Concret.e.. .r..e..t.a..in..i.n..g.. .s..u..r.f..a..c..e.. .(.H..o..l.o..c..e..n..e..).............................................................................................. 6 Qaf - Artificial .f.i.ll. .(.H...o..lo..c..e..n..e..).......................................................................................................................... 6 Young..e..r.. .H..o..l.o..c..e..n..e.. .D..e..p..o..s..i.t.s................................................................................................................................ 6 Qa - Modern al.l.u..v..iu..m...,. .p..o..s..t.-.1..9..0..0.. .(..H..o..l.o..c..e..n..e..)................................................................................................ 6 Qrf - Recent ro..c..k. .f..a..ll.s.. .(.H...o..lo..c..e..n..e..)................................................................................................................. 6 Qnpa - North P.l.a..t.t.e.. .a..ll.u..v..i.u..m.. .(..H..o..l.o..c..e..n..e..)........................................................................................................ 6 Qs - Sand dun.e.. .d..e..p..o..s..it.s.. .(..H..o..l.o..c..e..n..e..)............................................................................................................ 6 Qc - Colluvium .d..e..p..o..s..i.t.s.. .(.H...o..lo..c..e..n..e..)............................................................................................................... 7 Older .Q...u..a..t.e..r.n..a..r..y.. .D..e..p..o..s..i.t.s.................................................................................................................................. 7 Qlo - Loess de.p..o..s..i.t.s.. .(.l.o..w...e..r. .H...o..lo..c..e..n..e.. .a..n..d.. .P..l.e..i.s..t.o..c..e..n..e..?..)............................................................................ 7 Qal - Alluvium a..n..d.. .v..a..l.l.e..y.. .f.i.ll. .d..e..p..o..s..i.t.s.. .(.l.o..w...e..r. .H...o..lo..c..e..n..e.. .a..n..d.. .P..l.e..i.s..t.o..c..e..n..e..?..)................................................... 7 Arikar.e..e.. .G...r.o..u..p..................................................................................................................................................... 7 Tmh - Monroe C...r.e..e..k.. .a..n..d.. .H..a..r.r..is..o..n.. .F..o..r..m..a..t.i.o..n..s..,. .u..n..d..i.v..id..e..d.. .(..M..i.o..c..e..n..e.. .a..n..d.. .e..a..r.l.y.. .M...io..c..e..n..e.. .)............................. 7 Tg - Gering For..m..a..t.i.o..n.. .(.l.a..t.e.. .O...li.g..o..c..e..n..e..).......................................................................................................... 7 White. .R..i.v..e..r. .G...r.o..u..p................................................................................................................................................ 8 Tbr - Brule For.m..a..t.i.o..n.. .(.O...l.ig..o..c..e..n..e..).................................................................................................................. 8 Tbrw - Brule Form..a..t.i.o..n..,. .W...h..i.t.n..e..y.. .M..e..m...b..e..r. .(..O..l.i.g..o..c..e..n..e..).......................................................................... 8 Tbrw u - Brule For.m...a..t.i.o..n..,. .u..p..p..e..r. .W...h..i.t.n..e..y.. .t.u..f.f.. .(.O...li.g..o..c..e..n..e..)..................................................................... 8 Tbrw l - Brule Form...a..t.io..n..,. .l.o..w...e..r.. .W...h..i.t.n..e..y.. .t.u..f.f. .(..O..l.i.g..o..c..e..n..e..)...................................................................... 8 Tbrw and Tbro Co..n..t.a..c..t.......................................................................................................................... 8 Tbro - Brule Form.a..t.io..n..,. .O...r.e..l.l.a.. .M..e..m...b..e..r. .(..O..l.i.g..o..c..e..n..e..)............................................................................... 8 Tbros - Brule Form...a..t.io..n..,. .O...r.e..l.l.a.. .M..e..m...b..e..r.,. .s..a..n..d..s..t.o..n..e.. .r..ib..b..o..n.. .d..e..p..o..s..i.t.s.. .(.O...l.ig..o..c..e..n..e..)................................. 9 Tbror - Brule Form..a..t.i.o..n..,. .O..r..e..ll.a.. .M...e..m..b..e..r..,. .b..a..s..e.. .o..f. .t.h..e.. .r.e..d.. .m...u..d..s..t.o..n..e.. .b..e..d..s.. .(.O...l.ig..o..c..e..n..e..).......................... 9 Tbrog - Brule Form...a..t.io..n..,. .O...r.e..l.l.a.. .M..e..m...b..e..r.,. .g..r..e..e..n.. .m..u..d..s..t.o..n..e.. .m...a..r.k..e..r. .b..e..d.. .(..O..l.i.g..o..c..e..n..e..).............................. 9 Tbrow - Brule Formation, Orella Member, low er w hite carbonate nodule bed (Oligocene) Schultz & Stout (1..9..5..5..)........................................................................................................................... 9 GRI Di.g..i.t.a..l. .G..e..o..l.o..g..i.c.. .M...a..p.. .o..f. .t.h..e.. .S..c..o..t.t.s. .B...l.u..f.f. .N..a..t.i.o..n..a..l. .M...o..n..u..m...e..n..t. .A..r.e..a..,. .N..e..b..r..a..s.k..a................ 10 Map U..n..it. .L..i.s..t............................................................................................................................................................... 10 Map U..n..it. .D...e..s..c..r.i.p..t.io..n..s.................................................................................................................................................. 10 Qa1-.. .Y..o..u..n..g..e..r.. .a..ll.u..v..i.u..m.. .(..H..o..l.o..c..e..n..e..-.l.a..t.e..s..t. .P..le..i.s..t.o..c..e..n..e..)...................................................................................... 10 Qes .-.. .E..o..li.a..n.. .s..a..n..d.. .(.H...o..lo..c..e..n..e..-..la..t.e..?.. .P..l.e..i.s..t.o..c..e..n..e..)............................................................................................... 11 Ql - L..o..e..s..s.. .(..H..o..l.o..c..e..n..e..-.m...id..d..l.e..?.. .P..l.e..is..t.o..c..e..n..e..)....................................................................................................... 11 Qca .-.. .C..o..l.lu..v..i.u..m... .a..n..d.. .a..ll.u..v..i.u..m.. .(..H..o..l.o..c..e..n..e..-.l.a..t.e..?.. .P..le..i.s..t.o..c..e..n..e..).............................................................................. 11 Qa2 .-.. .In..t.e..r..m..e..d..i.a..t.e.. .a..l.lu..v..i.u..m... .(.l.a..t.e..?.. .P..le..i.s..t.o..c..e..n..e..)................................................................................................. 12 Qa3 .-.. .O..l.d..e..r. .a..l.l.u..v..iu..m... .(.e..a..r..ly.. .P..l.e..i.s..t.o..c..e..n..e..)........................................................................................................... 12 Tb - .B..r..o..a..d..w...a..t.e..r. .F..o..r..m..a..t.i.o..n.. .(.P..l.i.o..c..e..n..e..).............................................................................................................. 12 2014 NPS Geologic Resources Inventory Program II To - .O...g..a..ll.a..l.a.. .G..r..o..u..p.. .(.u..p..p..e..r. .a..n..d.. .m...i.d..d..le.. .M...i.o..c..e..n..e..).............................................................................................. 13 Ta - .A...r.i.k.a..r..e..e.. .G..r..o..u..p.. .(.l.o..w...e..r. .M...i.o..c..e..n..e.. .a..n..d.. .u..p..p..e..r. .O...li.g..o..c..e..n..e..)............................................................................. 14 Tw r .-.. .W...h..i.t.e.. .R..i.v..e..r. .G...r.o..u..p.. .(.l.o..w...e..r.. .O..l.i.g..o..c..e..n..e.. .a..n..d.. .u..p..p..e..r. .E..o..c..e..n..e..)....................................................................... 16 Tbr - Brule Fo.r..m..a..t.i.o..n.. .(.l.o..w...e..r.. .O..l.i.g..o..c..e..n..e..)....................................................................................................