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Activity 10.4 Appalachian Mountains Geologic Map Course/Section: Date: Name: Learning GOAL You will construct and interpret a geologic cross-section of folded rocks. A Complete the geologic cross-section in Fig A10.4.1 using the steps described in Fig. 10.5. Silurian Ordovician Sb Bloomsburg Formation Sb (shale) X 1/3 35 Sc Clinton Group Sc (shale) Tuscarora Formation St (sandstone) Oss Bald Eagle and Juniata Formations (sandstones) Martinsburg and Reedsville Osh Formations (shales) Coburn Formation Oc (limestone and shale) Ols Middle Ordovician limestones Ols N Osh Oc St Osh GEOLOGIC MAP Portions of McConnellsburg and St. Thomas Quadrangles, Valley and Ridge Province, South-central PA. Adapted from PA Topographic and Geologic Survey, Geologic Map of Pennsylvania 0 1 km X 4000 ft- 2000 ft- Sea level 0+ -2000 ft- -4000 ft GEOLOGIC CROSS SECTION Figure A10.4.1 40 Oss 50 St Ols Oss Oc Sc Y Osh 1 mile Y 4000 ft 2000 ft Sea level O -2000 ft -4000 ft B Label the kind(s) of geologic structure(s) revealed by your work. Then add the appropriate symbols from Fig. 10.4 to the geologic map to show the approximate traces of the axial surfaces for the most prominent folds on the map. Refer to Figs. 10.14 and 10.15 for help. C Add half-arrows to the fault near the center of the geologic map to show the relative motions of its two sides. What kind of fault do you interpret this to be? 286

Activity 10.4 Appalachian Mountains Geologic Map Course/Section: Date: Name: Learning GOAL You will construct and interpret a geologic cross-section of folded rocks. A Complete the geologic cross-section in Fig A10.4.1 using the steps described in Fig. 10.5. Silurian Ordovician Sb Bloomsburg Formation Sb (shale) X 1/3 35 Sc Clinton Group Sc (shale) Tuscarora Formation St (sandstone) Oss Bald Eagle and Juniata Formations (sandstones) Martinsburg and Reedsville Osh Formations (shales) Coburn Formation Oc (limestone and shale) Ols Middle Ordovician limestones Ols N Osh Oc St Osh GEOLOGIC MAP Portions of McConnellsburg and St. Thomas Quadrangles, Valley and Ridge Province, South-central PA. Adapted from PA Topographic and Geologic Survey, Geologic Map of Pennsylvania 0 1 km X 4000 ft- 2000 ft- Sea level 0+ -2000 ft- -4000 ft GEOLOGIC CROSS SECTION Figure A10.4.1 40 Oss 50 St Ols Oss Oc Sc Y Osh 1 mile Y 4000 ft 2000 ft Sea level O -2000 ft -4000 ft B Label the kind(s) of geologic structure(s) revealed by your work. Then add the appropriate symbols from Fig. 10.4 to the geologic map to show the approximate traces of the axial surfaces for the most prominent folds on the map. Refer to Figs. 10.14 and 10.15 for help. C Add half-arrows to the fault near the center of the geologic map to show the relative motions of its two sides. What kind of fault do you interpret this to be? 286

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Activity 10.4 Appalachian Mountains Geologic Map Course/Section: Date: Name: Learning GOAL You will construct and interpret a geologic cross-section of folded rocks. A Complete the geologic cross-section in Fig A10.4.1 using the steps described in Fig. 10.5. Silurian Ordovician Sb Bloomsburg Formation Sb (shale) X 1/3 35 Sc Clinton Group Sc (shale) Tuscarora Formation St (sandstone) Oss Bald Eagle and Juniata Formations (sandstones) Martinsburg and Reedsville Osh Formations (shales) Coburn Formation Oc (limestone and shale) Ols Middle Ordovician limestones Ols N Osh Oc St Osh GEOLOGIC MAP Portions of McConnellsburg and St. Thomas Quadrangles, Valley and Ridge Province, South-central PA. Adapted from PA Topographic and Geologic Survey, Geologic Map of Pennsylvania 0 1 km X 4000 ft- 2000 ft- Sea level 0+ -2000 ft- -4000 ft GEOLOGIC CROSS SECTION Figure A10.4.1 40 Oss 50 St Ols Oss Oc Sc Y Osh 1 mile Y 4000 ft 2000 ft Sea level O -2000 ft -4000 ft B Label the kind(s) of geologic structure(s) revealed by your work. Then add the appropriate symbols from Fig. 10.4 to the geologic map to show the approximate traces of the axial surfaces for the most prominent folds on the map. Refer to Figs. 10.14 and 10.15 for help. C Add half-arrows to the fault near the center of the geologic map to show the relative motions of its two sides. What kind of fault do you interpret this to be? 286
Transcribed Image Text:Activity 10.4 Appalachian Mountains Geologic Map Course/Section: Date: Name: Learning GOAL You will construct and interpret a geologic cross-section of folded rocks. A Complete the geologic cross-section in Fig A10.4.1 using the steps described in Fig. 10.5. Silurian Ordovician Sb Bloomsburg Formation Sb (shale) X 1/3 35 Sc Clinton Group Sc (shale) Tuscarora Formation St (sandstone) Oss Bald Eagle and Juniata Formations (sandstones) Martinsburg and Reedsville Osh Formations (shales) Coburn Formation Oc (limestone and shale) Ols Middle Ordovician limestones Ols N Osh Oc St Osh GEOLOGIC MAP Portions of McConnellsburg and St. Thomas Quadrangles, Valley and Ridge Province, South-central PA. Adapted from PA Topographic and Geologic Survey, Geologic Map of Pennsylvania 0 1 km X 4000 ft- 2000 ft- Sea level 0+ -2000 ft- -4000 ft GEOLOGIC CROSS SECTION Figure A10.4.1 40 Oss 50 St Ols Oss Oc Sc Y Osh 1 mile Y 4000 ft 2000 ft Sea level O -2000 ft -4000 ft B Label the kind(s) of geologic structure(s) revealed by your work. Then add the appropriate symbols from Fig. 10.4 to the geologic map to show the approximate traces of the axial surfaces for the most prominent folds on the map. Refer to Figs. 10.14 and 10.15 for help. C Add half-arrows to the fault near the center of the geologic map to show the relative motions of its two sides. What kind of fault do you interpret this to be? 286
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