Legend (Public_Geology/25_to_99k_Surface_Geology)

Geologic Map Points (1) Geochemistry sample location Drill holes and test pits Water well Significant site Geologic unit too small to show as a polygon at map scale Drill hole for hydrocarbon exploration or exploitation Prospect (pit or small open cut) Adit or tunnel entrance (1st option) Vertical mine shaft, as shown on smaller scale or general-purpose maps Open pit, quarry, or glory hole Attitude Measurements (2) Horizontal bedding Inclined bedding—Showing strike and dip Vertical bedding—Showing strike Overturned bedding—Showing strike and dip Approximate orientation of inclined bedding—Showing approximate strike and dip Approximate orientation of inclined bedding, where top direction of beds is know from local features—Showing approximate strike and dip Inclined bedding, where top direction of beds is known from local features—Showing strike and dip Overturned bedding, where top direction of beds is known from local features—Showing strike and dip Vertical bedding, where top direction of beds is known from local features—Showing strike. Ball shows top direction Inclined crenulated, warped, undulatory, or contorted bedding—Showing approximate strike and dip Vertical or near-vertical crenulated, warped, undulatory, or contorted bedding—Showing approximate strike Vertical flow banding, lamination, layering, or foliation in igneous rock—Showing strike Inclined dike—Showing dip value and direction Small, minor inclined fault—Showing strike and dip Slickenside—Showing strike and dip Shear—Showing strike and dip Inclined flow banding, lamination, layering, or foliation in igneous rock—Showing strike and dip Inclined contact—Showing dip value and direction Inclined fault—Showing dip value and direction Inclined metamorphic or tectonic foliation—Showing strike and dip Vertical metamorphic or tectonic foliation—Showing strike Horizontal metamorphic or tectonic foliation Vertical metamorphic or tectonic foliation parallel to bedding—Showing strike Inclined metamorphic or tectonic foliation parallel to bedding—Showing strike and dip Inclined crinkled or deformed metamorphic or tectonic foliation—Showing approximate strike and dip Inclined crinkled or deformed metamorphic or tectonic foliation parallel to bedding—Showing approximate strike and dip Vertical or near-vertical crinkled or deformed metamorphic or tectonic foliation—Showing approximate strike Small, minor inclined joint—Showing strike and dip Small, minor vertical or near-vertical joint—Showing strike Small, minor horizontal joint Small, minor inclined vein, veinlet, or mineralized stringer—Showing strike and dip Inclined cleavage (generic or type unspecified)—Showing strike and dip Vertical cleavage (generic or type unspecified)—Showing strike Horizontal aligned-mineral lineation—Showing bearing Inclined crenulation lineation - Showing bearing and plunge Inclined aligned-mineral lineation— Showing bearing and plunge Inclined aligned stretched-object lineation—Showing bearing and plunge Younger glacial striation or groove—Showing measured bearing and direction of flow. Dot indicates location of observation point Inclined fold hinge of small, minor anticline —Showing bearing and plunge Inclined fold hinge of small, minor syncline—Showing bearing and plunge Inclined fold hinge of generic (type or orientation unspecified) small, minor fold—Showing bearing and plunge Inclined generic small, minor fold axial surface—Showing strike and dip Younger glacial striation or groove—Showing general bearing and direction of flow Inclinded fold hinge of small, minor antiform (1st option)—Showing bearing and plunge Linear Geologic Features (3) Linear geologic unit, other than dike; in map or cross section a geologic unit or other feature too thin to show as a polygon at the scale of the map or cross section—Identity and existence certain, location accurate Direction of downslope movement of landslide Coal bed - Identity and existence certain, location accurate Coal bed - Identity and existence certain, location approximate Coal bed - Identity and existence certain, location concealed Fluvial Terrace – Identity and existence certain, location accurate. Hachures point down slope Geologic boundary - Identity and existence certain, location accurate Miscellaneous linear feature Lineament of unknown origin - Identity and existence certain, location accurate Cross section line Perennial river, stream, or creek (single-line drainage) Folds (4) Anticline—Identity and existence certain, location accurate Anticline—Identity and existence certain, location accurate, points in direction of plunge Anticline—Identity or existence questionable, location accurate, points in direction of plunge Overturned anticline—Identity and existence certain, location concealed. Beds on one limb are overturned; arrows show dip direction of limbs Overturned anticline—Identity and existence certain, location approximate. Beds on one limb are overturned; arrows show dip direction of limbs Overturned anticline—Identity and existence certain, location accurate. Beds on one limb are overturned; arrows show dip direction of limbs Anticline—Identity or existence questionable, location concealed Anticline—Identity or existence questionable, location approximate Syncline—Identity or existence questionable, location inferred Overturned anticline—Identity or existence questionable, location inferred. Beds on one limb are overturned; arrows show dip direction of limbs Overturned syncline—Identity and existence certain, location inferred. Beds on one limb are overturned; arrows show dip direction of limbs Syncline—Identity and existence certain, location inferred Overturned anticline—Identity and existence certain, location inferred. Beds on one limb are overturned; arrows show dip direction of limbs Anticline—Identity and existence certain, location inferred Monocline, anticlinal bend —Identity and existence certain, location concealed. Arrows show direction of dip; shorter arrow on steeper limb Monocline, anticlinal bend—Identity and existence certain, location accurate. Arrows show direction of dip; shorter arrow on steeper limb Anticline—Identity and existence certain, location concealed Monocline, synclinal bend—Identity and existence certain, location accurate. Arrows show direction of dip; shorter arrow on steeper limb Overturned syncline—Identity and existence certain, location concealed. Beds on one limb are overturned; arrows show dip direction of limbs Overturned syncline—Identity and existence certain, location approximate. Beds on one limb are overturned; arrows show dip direction of limbs Overturned syncline—Identity and existence certain, location accurate. Beds on one limb are overturned; arrows show dip direction of limbs Syncline—Identity or existence questionable, location concealed Syncline—Identity or existence questionable, location approximate Syncline—Identity and existence certain, location concealed Syncline—Identity and existence certain, location approximate Syncline—Identity and existence certain, location accurate Overturned anticline—Identity or existence questionable, location concealed. Beds on one limb are overturned; arrows show dip direction of limbs Overturned anticline—Identity or existence questionable, location approximate. Beds on one limb are overturned; arrows show dip direction of limbs Anticline—Identity and existence certain, location approximate Anticline—Identity and existence certain, location approximate, points in direction of plunge Anticline—Identity and existence certain, location concealed, points in direction of plunge Anticline—Identity or existence questionable, location concealed, points in direction of plunge Overturned anticline—Identity and existence certain, location approximate. Beds on one limb are overturned; arrows show dip direction of limbs, points in direction of plunge Syncline—Identity and existence certain, location accurate, points in direction of plunge Syncline—Identity and existence certain, location approximate, points in direction of plunge Syncline—Identity and existence certain, location inferred, points in direction of plunge Syncline—Identity and existence certain, location concealed, points in direction of plunge Syncline—Identity or existence questionable, location concealed, points in direction of plunge Overturned syncline—Identity and existence certain, location accurate. Beds on one limb are overturned; arrows show dip direction of limbs, points in direction of plunge Dikes (5) Dike—Identity and existence certain, location accurate Dike—Identity or existence certain, location inferred Dike—Identity and existence certain, location concealed Dike—Identity and existence certain, location accurate (2nd Option) Dike—Identity and existence certain, location accurate (3rd Option) Dike—Identity and existence certain, location accurate (4th Option) Faults (6) Normal fault—Identity and existence certain, location accurate. Bar and ball on downthrown block Normal fault—Identity and existence certain, location approximate. Bar and ball on downthrown block Normal fault—Identity and existence certain, location concealed. Bar and ball on downthrown block Normal fault—Identity or existence questionable, location concealed. Bar and ball on downthrown block Thrust fault—Identity and existence certain, location accurate. Sawteeth on upper (tectonically higher) plate Thrust fault—Identity and existence certain, location approximate. Sawteeth on upper (tectonically higher) plate Thrust fault—Identity or existence questionable, location approximate. Sawteeth on upper (tectonically higher) plate Thrust fault—Identity and existence certain, location inferred. Sawteeth on upper (tectonically higher) plate Thrust fault—Identity or existence questionable, location inferred. Sawteeth on upper (tectonically higher) plate Thrust fault—Identity and existence certain, location concealed. Sawteeth on upper (tectonically higher) plate Thrust fault—Identity or existence questionable, location concealed. Sawteeth on upper (tectonically higher) plate High-angle dip-slip fault—Identity and existence certain, location accurate. Relative motion shown by U and D High-angle dip-slip fault—Identity or existence questionable, location accurate. Relative motion shown by U and D High-angle dip-slip fault—Identity and existence certain, location approximate. Relative motion shown by U and D High-angle dip-slip fault—Identity or existence questionable, location approximate. Relative motion shown by U and D High-angle dip-slip fault—Identity and existence certain, location inferred. Relative motion shown by U and D High-angle dip-slip fault—Identity or existence questionable, location inferred. Relative motion shown by U and D High-angle dip-slip fault—Identity and existence certain, location concealed. Relative motion shown by U and D High-angle dip-slip fault—Identity or existence questionable, location concealed. Relative motion shown by U and D Strike‑slip fault, right-lateral offset—Identity and existence certain, location accurate. Arrows show relative motion Strike‑slip fault, right-lateral offset— Identity or existence questionable, location accurate. Arrows show relative motion Strike‑slip fault, right-lateral offset—Identity and existence certain, location approximate. Arrows show relative motion Strike‑slip fault, right-lateral offset— Identity or existence questionable, location approximate. Arrows show relative motion Strike‑slip fault, right-lateral offset— Identity and existence certain, location inferred. Arrows show relative motion Strike-slip fault, right-lateral offset— Identity or existence questionable, location inferred. Arrows show relative motion Strike‑slip fault, right-lateral offset—Identity and existence certain, location concealed. Arrows show relative motion Strike‑slip fault, right-lateral offset— Identity or existence questionable, location concealed. Arrows show relative motion Strike-slip fault, left-lateral offset—Identity and existence certain, location accurate. Arrows show relative motion Strike-slip fault, left-lateral offset—Identity and existence certain, location approximate. Arrows show relative motion Strike-slip fault, left-lateral offset—Identity or existence questionable, location approximate. Arrows show relative motion Strike-slip fault, left-lateral offset—Identity and existence certain, location inferred. Arrows show relative motion Strike-slip fault, left-lateral offset—Identity or existence questionable, location inferred. Arrows show relative motion Strike-slip fault, left-lateral offset—Identity and existence certain, location concealed. Arrows show relative motion Strike-slip fault, left-lateral offset—Identity or existence questionable, location concealed. Arrows show relative motion Fault, unknown offset—Identity and existence certain, location accurate Fault, unknown offset—Identity or existence questionable, location accurate Fault, unknown offset—Identity and existence certain, location approximate Fault, unknown offset—Identity or existence questionable, location approximate Fault, unknown offset—Identity and existence certain, location inferred Fault, unknown offset—Identity or existence questionable, location inferred Fault , unknown offset—Identity and existence certain, location concealed Fault, unknown offset—Identity or existence questionable, location concealed Contacts (7) Map boundary Contact—Identity and existence certain, location accurate Contact—Identity or existence questionable, location accurate Contact—Identity and existence certain, location approximate Contact—Identity or existence questionable, location approximate Contact—Identity and existence certain, location inferred Contact—Identity or existence questionable, location inferred Contact—Identity and existence certain, location concealed Contact—Identity or existence questionable, location concealed Gradational contact—Identity and existence certain, location accurate Shoreline—Showing open water Modern or present-day glacial ice boundary Scratch boundary Geologic Unit Polygons (8) Holocene artificial fill and modified land Paleozoic heterogeneous metamorphic rocks Quaternary alluvium Quaternary bog, marsh, swamp, or lake deposits Quaternary mass-wasting deposits Quaternary eolian deposits, loess Quaternary dune sand Quaternary volcanic rocks Pleistocene volcanic rocks Pleistocene sedimentary rocks and deposits Pleistocene outburst flood deposits Pleistocene alpine glacial drift Pleistocene glacial and nonglacial deposits Pleistocene continental glacial drift Pleistocene continental glacial till Quaternary-Tertiary sedimentary rocks and deposits Quaternary-Tertiary volcanic rocks Tertiary fragmental volcanic rocks and deposits (includes lahars) Tertiary intrusive rocks Tertiary sedimentary rocks and deposits Tertiary volcanic and sedimentary rocks Tertiary volcanic rocks pre-Tertiary heterogeneous metamorphic rocks Mesozoic heterogeneous metamorphic rocks Mesozoic intrusive rocks Mesozoic metamorphic and igneous rocks Mesozoic metasedimentary rocks Mesozoic metavolcanic rocks Mesozoic sedimentary rocks and deposits Mesozoic ultramafic rocks Mesozoic-Paleozoic heterogeneous metamorphic rocks Mesozoic-Paleozoic metasedimentary rocks Paleozoic intrusive rocks Paleozoic metasedimentary rocks Paleozoic metavolcanic rocks Paleozoic sedimentary rocks Paleozoic-Precambrian metasedimentary rocks Precambrian metasedimentary rocks Precambrian metavolcanic rocks Tectonic zones Unknown or other Water Ice 25-99k Geology Coverage (46)