Eosc 210 midterm exam - Study guides, Class notes & Summaries

EOSC 210 Midterm Exam Questions and Correct Answers Already Passed What is a mineral - Answer- Naturally occurring inorganic solid with a crystalline structure (lattices) and consistent chemical composition (varies only within defined limits) Physical appearance reflects crystalline structure How do minerals form? - Answer- -Cooling/crystallization of magma -Precipitation from fluids (eg. evaporated lake) -Chemical changes from heat and pressure changes -Biomineralization How can we i...

EOSC 210 Midterm 1 Exam Questions and Answers All Correct 100% Verified What is Walther's Law? - Answer- - a vertical sequence of facies reflects lateral changes in depositional environment - when a depositional environment (sedimentary environment) migrates sedimatents lie on top of other sedimnets What is marine trangression? - Answer- - sea level rises relative to land surface - depositional environment migrate toward land - marine sediments (shales and limestones) deposited on top...

EOSC 210 Midterm 2 Exam Questions with 100% Correct Answers What are glacial-fluvial sediments? - Answer- - mostly sand and gravel w/ moderate sorting and bedding - commonly non-cohesive and highly permeable - good bearing capacity and low settlement - the best sources of groundwater in the Vancouver area are glacial-fluvial sediemts (tills are much weaker) What are glacial-lacustrine sediments? - Answer- - generally have more silt and clays - lower bearing capacity and higher settle...

EOSC 210 Midterm 1 Exam Questions with All Correct Answers 2024/2025 Latest Update What are the main sedimentary rock types? - Answer- 1. Clastic - clasts are fragments or particles of weathered and eroded rocks (eg. sandstone) 2. Chemical (evaporites) - formed through precipitation (eg. halite, gypsum) 3. Organic (eg. chalk, limestones, coal) How are clastic sedimentary rocks transported? - Answer- 1. transported as suspended load with dissolved load (ions) and bed load 2. as they get...