U.S. Department of the Interior National Park Service Natural Resource Stewardship and Science Directorate Geologic Resources Division Little River Canyon National Preserve GRI Ancillary Map Information Document Produced to accompany the Geologic Resources Inventory (GRI) Digital Geologic Data for Little River Canyon National Preserve liri_geology.pdf Version: 6/30/2020 I Little River Canyon National Preserve Geologic Resources Inventory Ancillary Map Information Document for Little River Canyon National Preserve Table of Contents Geologic Reso..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 the NPS.. .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 Digital Ma.p..s.. .a..n...d.. .S..o..u...r.c..e.. .M...a..p.. .C...i.t.a..t..i.o..n..s.................................................................................. 5 Index Ma..p........................................................................................................................................................................ 6 Map Unit List ................................................................................................................................... 7 Map Unit Desc..r.i.p..t.i.o...n..s...................................................................................................................... 9 Qal - Allu..v..iu..m... .a..n..d.. .l.o..w... .t.e..r.r.a..c..e.. .d..e..p..o..s..i.t.s. .(..Q..u..a..t.e..r..n..a..r.y.)..................................................................................................... 9 Tal - Fluv..i.a..l. .d..e..p..o..s.i.t.s.. .(.T..e..r..t.ia..r..y.)........................................................................................................................................ 9 PNpv - P.o..t.t.s..v..i.l.le.. .F...o..r.m...a..t.i.o..n.. .(.L..o..w..e..r.. .P..e..n..n..s..y.l.v..a..n..i.a..n..)....................................................................................................... 9 PNpvl - P..o..t.t.s..v..i.ll.e.. .F..o..r..m...a..t.io..n..,. .l.o..w...e..r. .p..a..r.t. .(.L..o..w...e..r. .P..e..n..n..s..y..l.v..a..n..ia..n..)..................................................................................... 9 PNMpwp - Parkwood Formation and Pennington Formation, undifferentiated (Lower Pennsylvanian and Upp.e..r. .M...i.s.s..i.s..s..ip..p..i.a..n..)................................................................................................................................................ 9 Mf - Flo.y..d.. .S..h..a..l.e.. .(.U...p..p..e..r. .M...i.s..s.i.s..s..i.p..p..i.a..n..)........................................................................................................................ 10 Mbm - B...a..n..g..o..r. .L..i.m...e..s.t.o..n..e.. .a..n..d.. .M...o..n..t.e..a..g..l.e.. .L..i.m...e..s..t.o..n..e..,. .u..n..d..i.f.f.e..r.e..n..t.i.a..t.e..d.. .(.U..p..p..e..r.. .M...is..s..i.s..s.i.p..p..i.a..n..)..................................... 10 Mbmt - Bangor Limestone, Monteagle Limestone, and Tuscumbia Limestone, undifferentiated (Upper Mississ.i.p..p..ia..n..)................................................................................................................................................................ 10 Mtfpm - Tuscumbia Limestone, Fort Payne Chert and Maury Shale, undifferentiated (Middle and Lower M...is..s..i.s..s..ip..p..i.a..n..)..................................................................................................................................................... 10 Mfpm - .F..o..r.t. .P...a..y..n..e.. .C..h..e..r.t. .a..n..d.. .M...a..u..r..y. .F...o..r.m...a..t.i.o..n..,. .u..n..d..if.f.e..r..e..n..t.ia..t.e..d.. .(..M...id..d..l.e.. .a..n..d.. .L..o..w...e..r. .M...i.s..s.i.s..s..i.p..p..ia..n..)........................... 11 Dc - Ch.a..t.t.a..n..o..o..g..a.. .S...h..a..le.. .(..U..p..p..e..r. .D...e..v..o..n..i.a..n..).................................................................................................................. 11 Srm - R.e..d.. .M...o..u..n..t.a..i.n.. .F..o..r.m...a..t.i.o..n.. .(.U...p..p..e..r. .a..n..d.. .L..o..w...e..r. .S..i.l.u..r.i.a..n..)......................................................................................... 11 Os - Se.q..u..a..t.c..h..i.e.. .F..o..r.m...a..t.i.o..n.. .(.U...p..p..e..r. .O...r.d..o..v..ic..i.a..n..)............................................................................................................ 11 Osc - Sequatchie Formation and Chickamauga Limestone, undifferentiated (Upper and Middle Ordovic.i.a..n..).................................................................................................................................................................... 12 Oc - Ch.i.c..k..a..m...a..u..g..a.. .L..i.m...e..s.t.o..n..e.. .(..M...id..d..l.e.. .O...r.d..o..v..i.c..ia..n..)....................................................................................................... 12 Oca - C.h..i.c..k..a..m...a..u..g..a.. .L..i.m...e..s.t.o..n..e..,. .A...t.t.a..l.la.. .C...h..e..r.t. .C...o..n..g..l.o..m...e..r.a..t.e.. .M...e..m...b..e..r. .(.M...i.d..d..l.e.. .O...r.d..o..v..ic..i.a..n..?..)....................................... 12 On - Ne.w...a..l.a.. .L..i.m...e..s.t.o..n..e.. .(..L..o..w..e..r. .O...r.d..o..v..i.c..i.a..n..)................................................................................................................. 13 Olv - Lo..n..g..v.i.e..w... .L..i.m...e..s.t.o..n..e.. .(..L..o..w..e..r. .O...r.d..o..v..i.c..ia..n..).............................................................................................................. 13 OCchcr - Chepultepec Dolomite and Copper Ridge Dolomite, undifferentiated (Lower Ordovician and Upper C..a..m...b..r.i.a..n..)........................................................................................................................................................... 13 OCk - K..n..o..x. .G...r.o..u..p..,. .u..n..d..i.f.f.e..r.e..n..t.i.a..t.e..d.. .(.L..o..w...e..r. .O...r.d..o..v..i.c..ia..n.. .a..n..d.. .U...p..p..e..r. .C...a..m...b..r.i.a..n..)............................................................ 13 Cc - Co.n..a..s..a..u..g..a.. .F..o..r.m...a..t.i.o..n.. .(.U...p..p..e..r. .a..n..d.. .M...i.d..d..l.e.. .C..a..m...b..r.i.a..n..)........................................................................................... 13 Geologic Cro.s..s.. .S...e..c..t.i.o..n...s............................................................................................................... 15 Cross S..e..c..t.io..n.. .A...-.A..'........................................................................................................................................................ 15 Cross S..e..c..t.io..n.. .B...-.B..'........................................................................................................................................................ 15 Cross S..e..c..t.io..n.. .C...-.C...'....................................................................................................................................................... 15 Symbol.s.. .f.o..r. .C..r..o..s.s.. .S...e..c..t.io..n..s........................................................................................................................................... 15 Ancillary Sou..r.c..e.. .M...a..p.. .I.n...f.o..r.m....a..t.i.o..n................................................................................................. 16 Dugout .V...a..l.l.e..y. .Q...u..a..d..r.a..n..g..l.e............................................................................................................................................. 16 Correl.a..t.i.o..n.. .o..f. .M...a..p.. .U..n..i.t.s....................................................................................................................................... 16 Map L.e..g..e..n..d.......................................................................................................................................................... 17 Quadr.a..n..g..l.e.. .L..o..c..a..t.io..n............................................................................................................................................. 17 Fort Pa.y.n..e.. .Q...u..a..d..r.a..n..g..l.e.................................................................................................................................................. 18 Correl.a..t.i.o..n.. .o..f. .M...a..p.. .U..n..i.t.s....................................................................................................................................... 18 2020 NPS Geologic Resources Inventory Program II Map L.e..g..e..n..d.......................................................................................................................................................... 19 Quadr.a..n..g..l.e.. .L..o..c..a..t.io..n............................................................................................................................................. 19 Gaylesv..i.l.le.. .Q...u..a..d..r.a..n..g..l.e.................................................................................................................................................. 20 Jamest.o..w..n.. .Q...u..a..d..r.a..n..g..l.e................................................................................................................................................