Phaneritic texture Study guides, Class notes & Summaries

American Military University ERSC181 I005 ERSC181 Week 8 Final Exam Attempt Score: 98 / 100 – 98% What evidence did Alfred Wegener use for his hypothesis of continental drift? Question options: patterns on either side of the mid-oceanic ridge d fossils on distant continents ges and the age marine rocks bduction zones erns and GPS measurements Where do we generally find the most quantity of explosive volcanic eruptions? Question options: boundary tspots boundary boundary ges The Precambrian Era...

Part 1 of 4 - 48.0/ 52.0 Points Question 1 of 50 2.0 / 2.0 Points A coarse-grained (phaneritic texture) igneous rock formed . • A. due to erosion, frost wedging, and weathering • B. on the surface of the earth in an explosive eruption • C. on the surface of the earth in a quiet (effusive) eruption • D. by immense direct pressure and heat • E. deep under the surface of the earth Question 2 of 50 2.0 / 2.0 Points The Precambrian Era i...

Week 8 Final Exam (timed and single access) Overall Grade (highest attempt): 96 / 100 - 96 % Question 1 2/2 points Pyroclastic flows are more associated with __________. ocean hot spots stratovolcanoes shield volcanoes flood basalts cinder cones Question 2 2/2 points In the rock cycle, what processes directly link igneous rocks to metamorphic rocks? compaction and cementation melting and crystallization deposition and lithification recrystallization by high heat and pressure weathering and erosi...

Week 8 Final Exam (timed and single access) Overall Grade (highest attempt): 96 / 100 - 96 % Question 1 2/2 points Pyroclastic flows are more associated with __________. ocean hot spots stratovol canoes shield volcanoes flood basalts cinder cones Question 2 2/2 points In the rock cycle, what processes directly link igneous rocks to metamorphic rocks? compaction and cementation melting and crystallization deposition and lithification recrystallization by high heat and pressure weathering and eros...

Week 8 Final Exam (timed and single access) Return to Assessment List Part 1 of 4 - 42.0/ 52.0 Points Question 1 of 50 2.0/ 2.0 Points The number one factor causing landslides is (are) _____.  A. precipitation  B. volcanic eruptions  C. glaciation  D. freeze-thaw cycles  E. earthquakes Answer Key:A Question 2 of 50 2.0/ 2.0 Points Folds like anticlines and synclines are most associated with _______.  A. Tectonic shear  B. Tectonic compression  C. ...

Week 8 Final Exam (timed and single access) Return to Assessment List Part 1 of 4 - 42.0/ 52.0 Points Question 1 of 50 2.0/ 2.0 Points The number one factor causing landslides is (are) _____.  A. precipitation  B. volcanic eruptions  C. glaciation  D. freeze-thaw cycles  E. earthquakes Answer Key:A Question 2 of 50 2.0/ 2.0 Points Folds like anticlines and synclines are most associated with _______.  A. Tectonic shear  B. Tectonic compression  C. Erosion  D. Tectonic e...

American Military University ERSC181 I005 ERSC181 Week 8 Final Exam Attempt Score: 98 / 100 – 98% What evidence did Alfred Wegener use for his hypothesis of continental drift? Question options: patterns on either side of the mid-oceanic ridge d fossils on distant continents ges and the age marine rocks bduction zones erns and GPS measurements Where do we generally find the most quantity of explosive volcanic eruptions? Question options: boundary tspots boundary boundary ges The Precambrian Era...

Pervious questions 4.0/ 4.0 Points Which two elements are the most common in the crust?  A. iron and magnesium  B. potassium and magnesium  C. silicon and oxygen Which element comprises about 8% of the crust?  A. silicon  B. iron  C. aluminum Which of the following techniques is the MOST diagnostic or reliable?  A. color  B. hardness  C. cleavage Question 4 of 25 0.0/ 4.0 Points Which of the following is considered to be composed of a mineral?  A. l...

What is the texture of this metamorphic rock?  A. nonfissile  B. nonfoliated  C. fissile  D. phaneritic

Answers for Igneous Rocks Lab Figure 2. Data table for observation of igneous rocks. Sample # Texture(s) (Phaneritic, Pyroclastic, Vesicular, Glassy, or Aphanitic) Composition (Felsic, Intermediate, Mafic, or Ultramafic) Name of Rock Plutonic/Intrusive or Volcanic/Extrusive 1 Glassy Felsic Obsidian Volcanic/Extrusive 2 Phaneritic Felsic Granite Plutonic/Intrusive 3 Phaneritic Mafic Gabbro Plutonic/Intrusive 4 Pyroclastic Felsic Tuff Volcanic/Extrusive 5 Aphanitic Intermediat...