DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY GEOLOGIC MAP OF THE SEMINOE DAM NE QUADRANGLE, CARBON COUNTY, WYOMING By H. Roberta Dixon -~ GEOLOGIC QUADRANGLE MAP ~ 0 0 Published by the U.S. Geological Survey, 1990 0 GEOLOGIC MAP SYMBOLS COMMONLY USED ON MAPS OF THE UNITED STATES GEOLOGICAL SURVEY (Special symbols are shown in explanation) --------···· Contact - Dashed where approximately Strike and dip of beds _..;. Ball ind'icates located; short dashed where inferred; top of beds known from sedimen­ dotted where concealed tary structures _23 Inclined e Horizontal Contact - Showing dip; well exposed at -+- Vertical ~ Overturned triangle Strike and dip of foliation Fault - Dashed where approximately --------···· located; short dashed where inferred; ~ Inclined -+ Vertical + Horizontal dotted where concealed Strike and dip of cleavage Fault, showing dip - Ball and bar en ~ Inclined ,__.... Ve~al _+ Horizontal downthrown side Bearing and plunge of lineation Normal fault - Hachured on downthrown 15+- Inclined • Vertical - Horizontal side Strike and dip of joints Fault - Showing relative: horizontal .. -~ Inclined -e- Vertical + Horizontal movement Note: planar symbols (strike and dip of beds, Thrust faul_t - Sawteeth on upper plate foliation or schistosity, and cleavage) may be co·mbined with linear symbols to record data observed at same locality by superimposed Anticline - Showing direction o~· plunge; ....4~--+t --- .... symbols at point of observation. Coexisting dashed where approximately located; planar symbols are shown intersecting at point dotted where concealed of observation. Asymmetric anticline - Short arrow indicates steeper limb Overturned anticline - Showing direction Shafts of dip of limbs ~ Vertical ~ Inclined Adit, tunnel, or slope ...41-----+- -- •••.. Syncline- Showmg direction of plunge; dashed where approximately located; >-- Accessible >+- Inaccessible dotted whete concealed ;J. Prospect Asymmetric syncline - Short arrow indicates steeper limb Quarry 'X' Active ~ Abandoned Overturnc:d syncline - Showing direction u of dip of limbs Gravel pit X Active X Abandoned Monocline - Showing direction of plunge of axis Oil well 0 Drilling ¢ Shut-in -<?- Dry hole Minor anticline - Showing plunge of axis abandoned ~ Gas ~ Show of gas Minor syncline - Showing plunge of axis • Oil • Show of oil .