Angular unconformity Study guides, Class notes & Summaries
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GEO 401 exam 2 2023 with 100% correct answers
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The Earth's upper mantle is mainly made of peridotite, an ultramafic igneous rock with lots of olivine crystals. Which type of magma can be produced when the upper mantle undergoes decompression melting of the upper mantle peridotite at mid-ocean ridges? - correct answer -Basaltic 
 
Seismic studies of the earth have shown that the platnet's interior is made of a few layers with distinct seismic signatures and chemical compositions. The major layers of the planet include (from innermost to the o...
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EAS 201 Exam Questions With Verified Answers
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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...
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Earth Science Final Exam Questions and Answers Latest Updated 2024/2025 Graded A+.
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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...
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GEO 401 Midterm 2 exam 2023 with 100% correct answers
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What is the principle of superposition? - correct answer -In a sequence of undisturbed layered rocks, the oldest rocks are on the bottom. 
 
What is the principle of horizontality? - correct answer -1. Layered strata are deposited under the influence of gravity as horizontal or nearly horizontal or nearly parallel to the Earth's surface 
 
What is the principle of faunal succession? - correct answer -Sedimentary strata in an outcrop contain fossils in a definite "time" sequence. The same sequ...
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EAS 201 Exam Questions With Verified Answers
- Exam (elaborations) • 17 pages • 2023
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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...
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Earth Science Final Exam Questions and Answers Latest 2024/2025 Graded A+.
- Exam (elaborations) • 20 pages • 2024
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Earth Science Final Exam Questions and Answers Latest 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 
Longitude line...
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PHSC 211 Chapter 5 (A grade)
- Exam (elaborations) • 9 pages • 2022
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PHSC 211 Chapter 5 Quiz (Fall 2020)– Liberty University (A grade) 
 
 
 
For questions 1-6, refer to the diagram above. 
 
1. What type of unconformity is located between B and E? 
a. Nonconformity 
b. Disconformity 
c. Angular unconformity 
d. Paraconformity 
2. What kind of unconformity is located between D and E? 
a. Nonconformity 
b. Disconformity 
c. Angular unconformity 
d. Paraconformity 
3. Which unit is oldest? 
a. A 
b. B 
c. C 
d. D 
e. E 
4. Which unit is youngest? 
a. A 
b. B 
c....
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Earth Science Final Exam Questions and Answers Latest 2024/2025 | Graded
- Exam (elaborations) • 20 pages • 2024
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Earth Science Final Exam Questions and Answers Latest 2024/2025 | Graded. 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 
Longitude lines...
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Earth Science Lab Final (Answered) Complete Verified Solution
- Exam (elaborations) • 12 pages • 2023
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Earth Science Lab Final (Answered) Complete Verified Solution 
 
Noncomformity 
1) Younger sedimentary rocks on top of older metamorphic or intrusive igneous rocks 
 
2) Imply period of uplift of deeply buried rocks 
Three types of uncomformities 
angular uncomformity, disconformity, and noncomformity 
Radiocarbon dating 
Using the carbon-14 isotope to date very recent events 
 
(Half-life of carbon-14 is only 5,730 years) 
(Only useful for dating events from historic past and very recent geolog...
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Relative Dating and Absolute Dating Exam Questions and Correct Answers
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Relative Dating and Absolute Dating Exam Questions and Correct Answers 
Relative dating - ANSWER The process of determining whether an object or event is older or younger than other objects or events. 
 
Relative age does not - ANSWER Indicate the rock's age. 
 
Uniformitarianism - ANSWER States that geologic processes in the past can be explained by current geologic processes. 
 
Law of superposition - ANSWER The principle that states that younger rocks ...
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