Pyroclastic - Study guides, Class notes & Summaries

EOSC 114 Final Exam (Learning Goals) Questions with Complete Solutions What are the primary forces that trigger a tsunami? Tsunamis are primarily triggered by undersea earthquakes, volcanic eruptions, or underwater landslides. Why is the Pacific Ocean more prone to tsunamis compared to other oceans? The Pacific Ocean is more prone to tsunamis due to its active tectonic boundaries, specifically the Pacific Ring of Fire, where numerous subduction zones are present. What are the main ...

Geology Exam Answer Keys Pillow lavas are associated with ________ eruptions. a. subaerial rhyolitic b. submarine rhyolitic c. subaerial basaltic d. submarine basaltic D A fast-moving flow that resembles fluid concrete consisting of a mixture of water and volcanoclastic debris is termed a ________ a. lahar b. pyroclastic flow c. flood basalt d. hyaloclastite A Normal fault forms during a. compression of the crust b. extension of the crust c. when the crust slide past eac...

Where is magma generated? Where are the greatest amounts produced? CORRECT ANSWER the uppermost mantle and at divergent plate boundaries partial melting CORRECT ANSWER incomplete melting if rocks where magma is enriched with ions top factors in viscosity CORRECT ANSWER gas CO2 Sulfer pyroclastic CORRECT ANSWER broken bits of ash and rock thrown from a volcano 3 main types of volcanoes CORRECT ANSWER shield composition strato types of lava flows CORRECT ANSWER basaltic- 90% an...

ASB 222 EXAM 1 QUESTIONS AND ANSWERS 100% CORRECTASB 222 EXAM 1 QUESTIONS AND ANSWERS 100% CORRECTASB 222 EXAM 1 QUESTIONS AND ANSWERS 100% CORRECTIn an ideal world archeology... - ANSWER-reflects the past perfectly Pompeii - ANSWER--Ash fell up to 6 inches an hour and made buildings collapse; Covered buildings and people acting as a mold, ultimately preserving the forms of the perished people. - Pyroclastic surge: pieces of volcanic debris that rolled down the mountain at extremely high sp...

In an ideal world archeology... - ANSWER-reflects the past perfectly Pompeii - ANSWER--Ash fell up to 6 inches an hour and made buildings collapse; Covered buildings and people acting as a mold, ultimately preserving the forms of the perished people. - Pyroclastic surge: pieces of volcanic debris that rolled down the mountain at extremely high speeds; what really killed people ○ Erupted August 25th Archeological Record - ANSWER-study of past behavior and formation processes (how arch...

APSC 151 Week 2 UPDATED Exam Questions and CORRECT Answers Extrusive igneous rock - Correct Answer- - Form when magma solidifies at the surface - Can be explosion or flowing *Features*: - Lava flows Fluid, viscous, or sluggish (Ex. Central Chilean Andes) - Fissure eruptions - Volcanoes (many different types) Volcanic ash, lava, volcanic tuff (pyroclastic flow) ("tuff" layers in a tunnel) -. ex*rhyolite, andesite, basalt, komatilite* intrusive igneous rock - Correct Answer- - Form a...

Science Olympiad Dynamic Planet Latest Version Graded A+ volcano a weak spot in the crust where magma has come through the surface magma the molten mixture of rock-forming substances, gases and water from the mantle lava liquid magma that reaches Earth's surface Ring of Fire a major belt of volcanoes that rims the Pacific Ocean island arc a string of volcanoes that form as a result of subduction of one oceanic plate beneath a second oceanic plate hot spot an area where mag...

ISP 203B EXAM 2 Questions With Solutions Strato-Volcanoes - Very steep, tall, conical mountains formed of strata (layers) of lava flows and pyroclastic flows. - Associated with dangerous ash clouds and pyroclastic flows. - They may have lava domes at the summit. Calderas - Very large voids formed by large explosions of magma that destroyed previously existing volcanic shapes. - Depressions that are often filled by lakes

EAS exam 1 questions & answers 2023-24 torrential mudflow of wet volcanic debris is called - ANSWER-lahar shallow focus earthquakes are associated w which type of plate boundary? - ANSWER-convergent, transform, divergent what type of mineral is pyrite - ANSWER-sulfide chemical formula (Mg,Fe)2SiO4 describes what mineral - ANSWER-olivine which volcanic flows moves the most rapidly - ANSWER-pyroclastic flows most common rock-forming minerals in the crust are - ANSWER-silicates ...

If a xenolith included within an igneous pluton has a numerical age of 55 million years (Ma) old, what can you infer about the age of the pluton? - Answer-the pluton formed after 55 Ma ago Radiocarbon is first produced in the ______ when neutrons strike ______ atoms. - Answer-atmosphere; nitrogen-14 A minimum of ______ seismic stations is necessary to determine the focus of an earthquake. - Answer-3 Which seismic wave will be the last to reach a seismic station following an earthquake? - An...