Benioff zone Study guides, Class notes & Summaries

Benioff zone Correct Answer A narrow zone of deep earthquake foci at a subduction zone Continental crust Correct Answer The part of the Earth's crust that forms the continents Continental drift Correct Answer The theory that the continents have drifted across the surface of the globe. Convergent plate boundaries Correct Answer Margins where plates are moving towards each other. This can be oceanic-continental, as in the case of the Nazca and South American plates, or it can be continen...

Edexcel AS Level Geography Paper 1 Mark Scheme June 2022. Dynamic Landscapes. Award 1 mark for a correctly identified characteristic: • Magnitude  • Speed of onset  • Areal extent  • Duration  • Frequency  • Spatial predictability . Accept any other appropriate response, including some human characteristics, e.g. vulnerability. (1) Question number Answer Mark 1(b)(i) AO3 (2 marks) Award 1 mark for each correctly calculated stage. Allow error carried f...

The edge of a plate where sea-floor spreading or subduction is occurring Correct Answer Active margin The deposition of ash and other volcanic material following a volcanic eruption. Correct Answer Ash fallout A narrow zone of deep earthquake foci at a subduction zone. Correct Answer Benioff zone A large basin in a volcanic area where surface rocks have subsided into the molten magma below Correct Answer Caldera That part of the Earth's crust that forms the continents. Correct Answ...

What are the 3 layers of the Earth? Crust Thinnest layer (varies from a few km thick up to 80km) Lighter elements present here (magnesium, silica, aluminium) Mantle The thickest layer (2900km thick) Made up of the lithosphere, the asthenosphere and the inner mantle Outer Core Liquid The Gutenburg discontinuity is the boundary between the mantle and the outer core Inner Core Solid Most dense layer (about 1200km thick) containing iron and nickel What 2 layers does the uppe...

NR 150 Exam 1|228 Questions with Answers 2023 Algin - CORRECT ANSWER Substance found in brown algae used to thicken foods Aquaculture - CORRECT ANSWER The cultivation of seafood under controlled conditions Biological resources - CORRECT ANSWER plants and animals bycatch - CORRECT ANSWER The unintentional catch of non-target species while fishing desalination - CORRECT ANSWER A process of removing salt from ocean water exclusive economic zone - CORRECT ANSWER area in which res...

PHSC 211 Final Review (Chapters 8-16) questions and answers 100% correct The focus of an earthquake is a point ___ Within the earth where the initial release of seismic energy occurs The epicenter of an earthquake is a point on the earth's surface directly above the initial release of seismic energy. Which of the following seismic waves has the same wave form as a sound wave? P Wave Which of the following seismic waves is the first to arrive at a seismic station? P Wav...

1. What are the three plate boundaries, a de- scription of the di- rection in which they move 2. Features of continen- tal plate (4) Features of oceanic plate (4) 3. What is the structure of the earth starting from the inside (7) 4. Describe what hap- pens at a constructive plate boundary and the landforms associated with it (2) Give one examples of destructive bound- aries 1. Divergent/Constructive (Move away from each other) 2. Convergent/Destructive (Move towards each oth- er...

PHSC 211 Chapter 7 Quiz (Fall 2020)– Liberty University (A grade) Use the image below to answer questions 1–5. 1. What geologic structure is represented by point A? a. Divergent plate boundary b. Volcanic island c. Trench d. Subduction zone e. Tombolo 2. What sort of plate boundary is at point B? a. Divergent plate boundary b. Transform plate boundary c. Convergent plate boundary d. None of the above 3. What type of plate boundary is being formed at point C? a. Diverg...

Geology Review for the final exam. Includes earthquakes, layers of the earth both mechanical and compositional layers, Continental Margins, Active and Passive Margins, Volcanic structures, Alfred Wegener, Seafloor spreading, Wadati-Benioff Zone, Continental Rifts and Ocean Ridges. Covers the topics of earth interior, ocean floor, tectonics, structure, geologic time.