Sedimentary strata - Study guides, Class notes & Summaries

how did the Darwinian revolution challenge traditional views of a young Earth inhabited by unchanging species - ANSWER: -Darwin published The Origin of Species - Darwin noted that current species are descendants of ancestral species how can evolution be defined as - ANSWER: Darwin's phrase descent with modification fossils usually found in what - ANSWER: layers of sedimentary rock aka strata Ancestral species are found - ANSWER: in lower layers

Your Place In Nature Test Questions and Answers Law of Superposition - Answer-The geologic principle that states that in horizontal layers of sedimentary rock, each layer is older than the layer above it and younger than the layer below it. Bioturbation - Answer-the disturbance of sedimentary deposits by living organisms parent horizon - Answer-layer of rock a fossil was buried in Biogeography - Answer-study of the distribution of organisms around the world tuffs - Answer-rocks for...

EAS 201 Exam Questions With Verified Answers Principle of superposition - ANSWER oldest layer = bottom, newest layer = top Principle of original horizontality - ANSWER sediment originally deposited in layers that were nearly horizontal and parallel to the surface on which they were accumulating, tilted rocks = crustal disturbance Principle of original lateral continuity - ANSWER all strata extend in all directions until they terminate by THINNING at the margins of the basin, end...

Geology Written Exam. A _____ is formed when magma intrudes between existing sedimentary layers - CORRECT ANSWER sill If a limestone, a shale, and a sandstone are deposited in that order without interruption, which of the following is true? - CORRECT ANSWER The limestone is the oldest and the succession is conformable What scenario requires a geologist to use the principle of cross-cutting relationships? - CORRECT ANSWER A dike truncates layers in a sedimentary succession Which of ...

Earth Science Final Exam Questions and Answers Latest Updated 2024/2025 Graded A+. The same objects have the - ANSWER same density (NO MATTER WHAT SIZE) 2. The closer isolines are... - ANSWER the steeper the gradient (diagram: North side is steepest) 3. The altitude of Polaris equals... - ANSWER the latitude of the observer Diagram: Observer's altitude = 66.5 degrees North 4. The Earth rotates - ANSWER West to east 15 degrees per hour in 24 hours or one day 5. Latitude lines run Longit...

Catastrophism is the idea that _______. CORRECT ANSWER Earth's landscapes have been shaped by sudden worldwide disasters; Earth's landscapes have been shaped suddenly by unknown forces not in operation today Which of the following best explains the principle of superposition? CORRECT ANSWER All sedimentary deposits accumulate on older rock or sediment layers. What is the primary principle used by geologists to separate periods of geological time, and ultimately construct the geological t...

APSC 151 Final Exam Questions & Answers | 100% Correct | Verified | 2024 Version Which is not a requirement for a mineral? A) naturally occurring B) consistent isotopic composition C) well-formed external crystal shapes D) orderly regular atomic or ionic structure E) definite chemical composition - B Which of the following best describes the fundamental concept of superposition? A) Strata with fossils are generally deposited on strata with no fossils. B) Older strata are deposited on...

EAS 201 Exam Questions With Verified Answers Principle of superposition - ANSWER oldest layer = bottom, newest layer = top Principle of original horizontality - ANSWER sediment originally deposited in layers that were nearly horizontal and parallel to the surface on which they were accumulating, tilted rocks = crustal disturbance Principle of original lateral continuity - ANSWER all strata extend in all directions until they terminate by THINNING at the margins of the basin, end...

EAS 201 Exam Questions With Verified Answers Principle of superposition - ANSWER oldest layer = bottom, newest layer = top Principle of original horizontality - ANSWER sediment originally deposited in layers that were nearly horizontal and parallel to the surface on which they were accumulating, tilted rocks = crustal disturbance Principle of original lateral continuity - ANSWER all strata extend in all directions until they terminate by THINNING at the margins of the basin, end...

GM Questions Exam 1 Test with Complete Answers Why is the monolith El Capitan in Yosemite National Park more resistant to erosion than other igneous plutons in the park? - Answer-El Capitan is unfractured. Ultramafic rocks contain __________ and are commonly found in __________. - Answer-olivine; mantle What is an accessory mineral? - Answer-A mineral that makes up a relatively small portion of the total rock composition Which of the following best describes the difference between gra...