Geologic Resources Inventory Map Document for Glacier National Park
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National Park Service U.S. Department of the Interior Natural Resource Program Center Glacier National Park Ancillary Map Information Document Produced to accompany the Geologic Resources Inventory Digital Geologic Data for Glacier National Park glac_geology.pdf Version: 4/24/2020 I Glacier National Park Geologic Resources Inventory Map Document for Glacier National Park 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 Map .......................................................................................................................................................................... 6 Digital Geolog.i.c..-.G...I.S... .M...a..p.. .o..f. .G...l.a..c..i.e..r.. .N..a..t.i.o...n..a..l. .P..a..r..k....................................................................... 7 Map Units Li.s..t....................................................................................................................................................................... 7 Map Unit De.s..c.r..ip..t.i.o..n..s............................................................................................................................................................ 8 Qal - Alluvium (H..o..l.o..c..e..n..e.. .a..n..d.. .u..p..p..e..r. .P..l.e..i.s..t.o..c..e..n..e..)............................................................................................................... 8 Qc - Colluvium (.H..o..l.o..c..e..n..e.. .a..n..d.. .u..p..p..e..r. .P...le..i.s..t.o..c..e..n..e..).............................................................................................................. 8 Qls - Landslide d..e..p..o..s..i.t. .(.H..o..l.o..c..e..n..e.. .a..n..d.. .u..p..p..e..r. .P...le..i.s..t.o..c..e..n..e..)................................................................................................. 8 Qg - Till (Holoce.n..e.. .a..n..d.. .u..p..p..e..r. .P..l.e..i.s..t.o..c..e..n..e..)......................................................................................................................... 8 Tku - Kishenehn. .F..o..r.m...a..t.i.o..n..,. .u..n..d..i.v..i.d..e..d.. .(.O...l.ig..o..c..e..n..e.. .a..n..d.. .E...o..c.e..n..e..)......................................................................................... 8 Tkp - Kishenehn. .F..o..r.m...a..t.i.o..n..,. .c..o..n..g..l.o..m...e..r.a..t.e.. .m...e..m...b..e..r. .o..f. .P...i.n..c.h..o..t. .C...r.e..e..k.. .(.E...o..c.e..n..e..)................................................................. 8 Tkcc - Kisheneh.n.. .F..o..r.m...a..t.i.o..n..,. .l.a..c..u..s.t.r..in..e.. .m...e..m...b..e..r.. .o..f. .C..o..a..l. .C...r.e..e..k.. .(.E..o..c..e..n..e..).......................................................................... 9 Ku - Sedimentar.y.. .r.o..c..k.s..,. .u..n..d..i.v..i.d..e..d.. .(.C..r..e..t.a..c.e..o..u..s..)................................................................................................................. 9 Km - Marias Riv.e..r. .S..h..a..l.e.. .(.U...p..p..e..r. .C..r..e..t.a..c.e..o..u..s..)...................................................................................................................... 9 Kb - Blackleaf Fo..r..m...a..t.io..n.. .(..U..p..p..e..r.(.?..).. .a..n..d.. .L..o..w..e..r. .C...r.e..t.a..c..e..o..u..s..)............................................................................................... 9 Kbk - Blackleaf a..n..d.. .K..o..o..t.e..n..a..i. .F..o..r..m...a..t.io..n..s..,. .u..n..d..i.v..i.d..e..d.. .(.U..p..p..e..r..(.?..). .a..n..d.. .L..o..w...e..r. .C..r.e..t.a..c..e..o..u..s..).................................................... 9 Kk - Kootenai Fo..r.m...a..t.i.o..n.. .(.L..o..w..e..r.. .C..r.e..t.a..c..e..o..u..s..)...................................................................................................................... 9 KJm - Mount Pablo Formation, Morrison Formation, and Ellis Group, undivided (Lower Cretaceous, Upper to Middle.. .J..u..r.a..s..s..i.c..).................................................................................................................................................. 10 Zd - Diorite, dia.b..a..s..e..,. .a..n..d.. .g..a..b..b..r.o.. .s..i.l.l.s.. .a..n..d.. .d..ik..e..s.. .(.L..a..t.e.. .P...r.o..t.e..r.o..z..o..i.c.?..)................................................................................ 10 Ym - McNamar.a.. .F..o..r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r..o..t.e..r.o..z..o..ic..)............................................................................................................... 10 Ybo - Bonner Q..u..a..r.t.z..i.t.e.. .(.M...i.d..d..le.. .P...r.o..t.e..r.o..z..o..i.c..)..................................................................................................................... 10 Yms - Mount S.h..ie..l.d..s.. .F..o..r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r..o..t.e..r.o..z..o..ic..)........................................................................................................ 10 Ysh - Shepard .F..o..r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r.o..t.e..r..o..z.o..i.c..).................................................................................................................. 11 Ypb - Purcell La..v..a.. .(.M...i.d..d..l.e.. .P..r..o..t.e..r.o..z..o..ic..)............................................................................................................................. 11 Ysn - Snowslip. .F..o..r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r.o..t.e..r.o..z..o..i.c..)................................................................................................................. 11 Yh - Helena Fo.r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r.o..t.e..r..o..z.o..i.c..)...................................................................................................................... 12 Yhcs - Helena F...o..r.m...a..t.i.o..n..,. .B..a..i.c..a..li.a..-.C...o..n..o..p..h..y..t.o..n.. .s..t.r.o..m...a..t.o..l.it.e.. .z..o..n..e.. .(.M...i.d..d..l.e.. .P..r..o..t.e..r.o..z..o..ic..)................................................... 13 Ye - Empire Fo.r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r.o..t.e..r..o..z.o..i.c..)...................................................................................................................... 13 Ygl - Grinnell F.o..r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r.o..t.e..r.o..z..o..i.c..).................................................................................................................... 13 Yap - Appekun.n..y. .F...o..r.m...a..t.i.o..n.. .(.M...i.d..d..le.. .P...r.o..t.e..r.o..z..o..i.c..)............................................................................................................. 13 Yapa - Appeku.n..n..y. .a..n..d.. .A...l.t.y.n.. .F...o..r.m...a..t.i.o..n..s.,. .u..n..d..i.v..i.d..e..d.. .(.M...i.d..d..l.e.. .P..r.o..t.e..r.o..z..o..i.c..)........................................................................ 14 Yapp - Appeku.n..n..y. .a..n..d.. .P...r.i.c..h..a..r.d.. .F..o..r.m...a..t.i.o..n..,. .u..n..d..i.v..id..e..d.. .(..M...id..d..l.e.. .P...r.o..t.e..r.o..z..o..i.c.)..................................................................... 14 Ya - Altyn Form..a..t.i.o..n.. .(.M...i.d..d..le.. .P...r.o..t.e..r.o..z..o..i.c..)......................................................................................................................... 14 Yae - Altyn For.m...a..t.i.o..n..,. .E..a..s..t.e..r.n.. .f.a..c..i.e..s. .(..M...id..d..l.e.. .P...r.o..t.e..r.o..z..o..i.c.)............................................................................................... 15 Ywt - Waterton. .F..o..r.m...a..t.i.o..n.. .(.M...i.d..d..l.e.. .P..r.o..t.e..r.o..z..o..i.c..)................................................................................................................. 15 Geologic C.r.o..s..s. .S...e..c..t.io..n..s...................................................................................................................................................... 16 Cross Section A...-.A..'............................................................................................................................................................. 16 Cross Section B...-.B..'............................................................................................................................................................. 16 Ancillary So..u..r.c..e.. .M...a..p.. .I.n..f.o..r.m...a..t.i.o..n........................................................................................................................................ 16 Geologic Map o..f. .G...l.a..c..ie..r.. .N..a..t.i.o..n..a..l. .P..a..r.k.. .(.I.-..1..5..0..8..-.F..)............................................................................................................. 16 Correlation of Map Units ............................................................................................................................................... 17 Legend ..............................................................................................................................................