U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Directorate Geologic Resources Division Navajo National Monument GRI Ancillary Map Information Document Produced to accompany the Geologic Resources Inventory (GRI) Digital Geologic Data for Navajo National Monument nava_geology.pdf Version: 6/19/2019 I Navajo National Monument Geologic Resources Inventory Map Document for Navajo National Monument Table of Contents Geologic Resourc..e..s.. .I.n..v..e..n..t.o...r.y.. .M...a..p.. .D...o..c..u..m...e..n...t............................................................................ 1 About the NPS Ge..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 Digital Map an...d.. .S..o..u...r.c..e.. .M...a..p.. .C...i.t.a..t.i.o...n...................................................................................... 5 Index Map .................................................................................................................................................................... 5 Map Unit List ............................................................................................................................. 6 Map Unit Descript.i.o...n..s...................................................................................................................... 8 Qal - Alluvium... .(..R..e..c..e..n..t. .a..n..d.. .P..l.e..i.s..t.o..c..e..n..e..)........................................................................................................................ 8 Qd - Dune sa..n..d.. .(.R...e..c..e..n..t. .a..n..d.. .P..l.e..i.s..t.o..c..e..n..e..)..................................................................................................................... 8 Tg - Gravel (.P..l.i.o..c..e..n..e..)..................................................................................................................................................... 8 Ti - Intrusive. .i.g..n..e..o..u..s. .r..o..c.k..s.. .(.P...li.o..c..e..n..e.. .a..n..d.. .M...i.o..c..e..n..e.. .(.?..).)................................................................................................. 8 Ky - Yale Po.i.n..t. .S..a..n..d..s..t.o..n..e.. .(.U...p..p..e..r. .C..r..e..t.a..c.e..o..u..s..).............................................................................................................. 8 Kw - Wepo F..o..r.m...a..t.i.o..n.. .(.U..p..p..e..r.. .C..r.e..t.a..c..e..o..u..s..)..................................................................................................................... 8 Kt - Toreva F..o..r.m...a..t.i.o..n.. .(.U...p..p..e..r. .C..r..e..t.a..c.e..o..u..s..)..................................................................................................................... 8 Km - Mancos.. .S...h..a..le.. .(..U..p..p..e..r. .C...r.e..t.a..c..e..o..u..s..)........................................................................................................................ 9 Kd - Dakota .S..a..n..d..s..t.o..n..e.. .(.U...p..p..e..r. .C...r.e..t.a..c..e..o..u..s..).................................................................................................................. 9 Jmw - Morris.o..n.. .F...o..r.m...a..t.i.o..n..,. .W...e..s..t.w..a..t.e..r.. .C..a..n..y..o..n.. .M...e..m...b..e..r. .(.U...p..p..e..r. .J..u..r.a..s..s..i.c.)..................................................................... 9 Jmr - Morriso..n.. .F..o..r.m...a..t.i.o..n..,. .R...e..c..a..p..t.u..r.e.. .M...e..m...b..e..r. .(.U...p..p..e..r. .J..u..r.a..s..s..ic..).................................................................................... 9 Jms - Morris.o..n.. .F..o..r.m...a..t.i.o..n..,. .S..a..l.t. .W....a..s.h.. .M...e..m...b..e..r.. .(.U..p..p..e..r.. .J.u..r..a..s.s..i.c..)................................................................................... 9 Jcs - Cow Sp..r.i.n..g..s.. .S..a..n..d..s..t.o..n..e.. .(.U...p..p..e..r. .J..u..r.a..s..s..i.c.).............................................................................................................. 9 Jbsu - Bluff Sandstone and Summerville Formation, upper sandy member, undifferentiated (Upper Jurassic) .................................................................................................................................................................... 10 Jsu - Summ..e..r.v..i.l.l.e.. .F..o..r.m...a..t.i.o..n..,. .u..p..p..e..r. .s..a..n..d..y.. .m...e..m...b..e..r. .(.U..p..p..e..r.. .J.u..r..a..s.s..i.c..)......................................................................... 10 Jem - Entra..d..a.. .S..a..n..d..s..t.o..n..e..,. .m...i.d..d..le.. .s..i.l.t.y.. .m...e..m...b..e..r. .(.U...p..p..e..r. .J..u..r.a..s..s.i.c..)................................................................................ 10 Jel - Entrad.a.. .S...a..n..d..s..t.o..n..e..,. .lo..w...e..r. .s..a..n..d..y.. .m...e..m...b..e..r. .(.U...p..p..e..r. .J..u..r.a..s..s.i.c..)................................................................................. 10 Jc - Carme.l .F...o..r.m...a..t.i.o..n.. .(.U..p..p..e..r. .a..n..d.. .M...i.d..d..l.e.. .J..u..r.a..s..s..i.c.)..................................................................................................... 10 JTRn - Nav.a..j.o.. .S..a..n..d..s..t.o..n..e.. .(.J..u..r.a..s..s..i.c..*.)........................................................................................................................... 10 TRk - Kaye.n..t.a.. .F..o..r.m...a..t.i.o..n..,. .s..a..n..d..y.. .f.a..c.i.e..s.. .(.J..u..r.a..s..s..i.c.*..)...................................................................................................... 10 TRwl - Wing..a..t.e.. .S...a..n..d..s..t.o..n..e..,. .L..u..k..a..c.h..u..k..a..i. .M...e..m...b..e..r. .(.J..u..r.a..s..s..i.c..*.)....................................................................................... 11 TRwr - Win.g..a..t.e.. .S..a..n..d..s..t.o..n..e..,. .R...o..c.k.. .P...o..i.n..t. .M...e..m...b..e..r. .(.J..u..r.a..s..s..ic..*..)....................................................................................... 11 TRcco - Ch.i.n..l.e.. .F..o..r.m...a..t.i.o..n..,. .C...h..u..r.c..h.. .R..o..c..k.. .a..n..d.. .O...w..l. .M...e..m...b..e..r.s..,. .u..n..d..i.f.f.e..r.e..n..t.i.a..t.e..d.. .(.U..p..p..e..r.. .T..r.i.a..s..s.i.c..)................................... 11 TRcp - Chin..l.e.. .F..o..r.m...a..t.i.o..n..,. .P...e..t.r.i.f.ie..d.. .F...o..r.e..s..t. .M...e..m...b..e..r. .(.U..p..p..e..r.. .T..r.i.a..s..s.i.c..)............................................................................ 11 TRcm - Chi.n..l.e.. .F..o..r.m...a..t.i.o..n..,. .M...o..n..i.t.o..r. .B...u..t.t.e.. .M...e..m...b..e..r. .(.U..p..p..e..r.. .T..r.i.a..s..s.i.c..).............................................................................. 11 TRcs - Chin..l.e.. .F..o..r.m...a..t.i.o..n..,. .S..h..i.n..a..r.u..m...p.. .M...e..m...b..e..r.. .(.U..p..p..e..r. .T...r.i.a..s.s..i.c..)................................................................................... 12 TRm - Moe.n..k..o..p..i. .F..o..r.m...a..t.i.o..n.. .(.L..o..w..e..r.. .a..n..d.. .M...id..d..l.e.. .(.?..).. .T..r.i.a..s..s.i.c..)........................................................................................ 12 TRmh - Mo.e..n..k..o..p..i. .F..o..r.m...a..t.i.o..n..,. .H..o..s..k..i.n..n..i.n..i .M...e..m...b..e..r.. .(.L..o..w..e..r. .a..n..d.. .M...i.d..d..l.e.. .(.?..). .T...r.i.a..s.s..i.c..)..................................................... 12 Pcdc - Cutl.e..r. .F..o..r.m...a..t.i.o..n..,. .D...e.. .C..h..e..l.l.e..y. .S...a..n..d..s..t.o..n..e.. .M...e..m...b..e..r. .(.L..o..w...e..r. .P..e..r.m...i.a..n..)................................................................. 12 Pcor - Cutle..r. .F..o..r.m...a..t.i.o..n..,. .O...r.g..a..n.. .R...o..c..k. .T...o..n..g..u..e.. .M...e..m...b..e..r. .(.L..o..w...e..r. .P..e..r.m...i.a..n..)..................................................................... 12 Pccm - Cut.l.e..r. .F..o..r.m...a..t.i.o..n..,. .C...e..d..a..r. .M...e..s..a.. .S..a..n..d..s..t.o..n..e.. .M...e..m...b..e..r. .(.L..o..w...e..r. .P..e..r.m...i.a..n..).............................................................. 12 GRI Ancillary So.u..r..c..e.. .M...a..p.. .I.n..f.o...r.m...a..t.i.o...n......................................................................................... 13 Regional H.y.d..r..o..g..e..o..lo..g..y.. .o..f. .t.h..e.. .N...a..v..a..jo.. .a..n..d.. .H...o..p..i. .I.n..d..i.a..n.. .R..e..s..e..r.v..a..t.i.o..n..s........................................................................... 13 Index Map............................................................................................................................................................. 13 Explanatio..n........................................................................................................................................................... 14 Report ............................................................................................................................................................. 14 GRI Digital Data .C...r.e..d..i.t..s................................................................................................................. 15 2019 NPS Geologic Resources Inventory Program II 2019 NPS Geologic Resources Inventory Program II 1 NAVA GRI Map Document Geologic Resources Inventory Map Document Navajo National Monument,