Guidelines for Geologic Maps and Cross-Sections Requirements for Map ProductsI. Total Station Geologic and Topographic Map of Devil’s Waterhole, Inks Lake State Park, TXII. Geologic Map and Cross-section of Inks Lake State Park and Murchison Ranch, TX, AreaIII. Geologic Map and Cross-Section of the Copper Hill, NM, AreaIV. San Ysidro Area Geologic Map and Cross-sectionVI. Geologic Map and Cross-Section of the Box Canyon, NM AreaIV. North Kaibab Trail of the Grand Canyon, AZ, Area Geologic Map and Cross-sectionGY480 Field Geology CourseFinal Geologic Maps and Cross-SectionsLast update: May 14, 2012Guidelines for Geologic Maps and Cross-SectionsAll final maps and cross-sections should be constructed on vellum or equivalent quality paper.All line work should be done with rapidograph pens, #0 (0.35mm) size for contacts, #2 (0.7mm) size for faulted contacts and/or megascopic fold axial trace linework. If you have had theGY/GEO 461 course (or equivalent experience) you can use ArcGIS to construct your final mapsand cross-sections that are due after we return from the field portion of the course. However, youshould note that there are always several maps that are due while we are in the field- they willhave to be drafted by hand so you must take technical pens and other drafting tools with youduring the field component. If you choose to construct a map with ArcGIS a digital base map willbe provided. There is no base map for the Total Station exercise since your task in that project is to constructthe base map from scratch. The geologic map and cross-section may be constructed on the samesheet if there is adequate room. Some of the below projects are “alternative” mapping projects-i.e. we will do them only if other projects areas are inaccessible because of park closure, weather, etc. Requirements for Map ProductsI. Total Station Geologic and Topographic Map of Devil’s Waterhole, InksLake State Park, TXA) Base Map Elements1. Scale: 1 inch = 5m. Indicate RF and graphical scale.2. Plot on 24x18 inch vellum with rapidograph and color pencil.3. Plot stream on map (Blue).4. Plot magnetic and geographic north arrows.5. Border defined by the four corner points (marked with flagging tape or targetsat the site).6. UTM grid tic marks on perimeter (NAD83) with 10m spacingB) Data plotted on Geologic Map1. Instrument stations (T1, T2, etc.)2. Contacts with lithologic polygons labeled, filled with color pencils (see labelsbelow)3. Structure data (S1, L1, F1, etc.) plotted relative to geographic north)4. Axial trace of megascopic folds (hinge and axial plane attitude indicated)Page 1 of 12GY480 Field Geology CourseFinal Geologic Maps and Cross-SectionsStratigraphic ColumnAlluvium = Lemon Yellow (Qal)Town Mountain intrusives = Pink (pCtm)Valley Springs Paragneiss = Dark Gray (pCvsp)Valley Springs Orthogneiss = Tuscan Red (pCvso) 5. Topographic contours (0.2m interval, every 5th interval labeled as indexcontour)6. Stereonets of structure data, to be plotted on separate sheets.C) Map Legend1. Structure Symbols2. Scale bar3. Lithologic legend (chronological order, include brief description of unit)4. Magnetic/Geographic north arrows (bottom center of map; note declination)5. TitleD) Notebook1. Make sure that all data recorded in your group appears in your notebookincluding Total Station coordinates (i.e. everyone will have a total copy of allcollected data in their notebook). Summary of products to turn in: 1. Combined Geologic and Topographic Map of Project Area2. Stereonets of Structure Data collected at site annotated with fold hinge, axial plane, etc. .II. Geologic Map and Cross-section of Inks Lake State Park and MurchisonRanch, TX, AreaA) Base Map Features to Draft on Geologic Map1. Scale: 1:12,000 (1 inch = 1000 feet)2. Index Contours and Labels (100 foot interval; see base map)3. Roads inside the Map Area4. Mapping Area Boundary5. Lakes and streams (Blue)6. UTM grid (NAD83)Page 2 of 12GY480 Field Geology CourseFinal Geologic Maps and Cross-SectionsB) Plotted Data on Geologic Map1. Lithologic/Structural contactsStratigraphic ColumnAlluvium (Quaternary) Canary Yellow (Qal)Tanyard Formation(Ordovician)= pink (Ot) NOTE: Tanyard Formation and San Saba Member may be combined as (-COt/ss) tan Williston Formation San Saba Member = tan (Cws)Point Peak Member =gray (Cwpp)Morgan Creek Member = Light Green (Cwm)Welge Member = Olive(Cww)Riley Formation Lion Mt. Member = Green (Crl)Cap Mt. Member = Blue (Crc)Hickory Sandstone Member = Dark Brown (Cwh)Precambrian Crystalline RocksTown Mountain intrusives = Pink (pCtm)Honey Formation = Royal Blue (pCh)Valley Springs Paragneiss = Dark Gray (pCvsp)Valley Springs Orthogneiss = Tuscan Red (pCvso)2. Structure Data (S1, L1, F1, etc.)3. Megascopic Structures (Axial trace, Faults, etc.)4. Stereonets of structure data, contoured if > 50 elements. Stereonets may besubmitted as separate sheets or plotted on the map.5. Title and authors (team members)6. Plot map on 24x36" vellum or similar material with rapidograph and colorpencil.C) Map Legend1. Structure Symbols2. Scale bar3. Lithologic legend (chronological order, include brief description of unit)4. Magnetic/Geographic north arrows (bottom center of map; note declination)5. TitleD) Cross-section1. VE = 1.0Page 3 of 12GY480 Field Geology CourseFinal Geologic Maps and Cross-Sections2. Same color code and lithologic legend as geologic map (cross-section map becombined with geologic map if room allows.3. Label as A-A’ on geologic map (see base map):Point A: intersection of unimproved road and transmission line on thecrest of Long Mt.Point A’: intersection of east park boundary fence and Spring Creek4. Include topographic profile5. Interpolate geology below Inks Lake.6. Vertical scale with elevation intervals labeled.7. Indicate fault motion with displacement arrows.8. Indicate foliation direction in metamorphic rocks with “squiggly” lines.Notebooks for teams will be checked for consistency. Make sure your notes are re-copied neatly,and are organized by station label. All GPS coordinates should be recorded. All members of agroup should have a complete copy of all data collected.Summary of products to turn in:1. Geologic Map of the Inks Lake and Vicinity Project Area2. Cross-section A-A’ of the Inks Lake and Vicinity Project Area3. Stereonet Plots of data collected during projectIII. Geologic Map and Cross-Section of the Copper Hill, NM, AreaA) Base Map Features to Draft on Geologic Map1.