Earth: An Introduction to Physical Geology (12th Edition)
12th Edition
ISBN: 9780134074252
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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Question
Chapter 3, Problem 1GST
To determine
The status of gold nugget, seawater, obsidian, ruby, quartz, glacial ice, cubic zirconia and amber being a mineral or not.
Expert Solution & Answer
Answer to Problem 1GST
Gold nugget, ruby, quartz and glacial ice are minerals and seawater, obsidian, cubic zirconia and amber are not considered as minerals and they don’t fit the criteria of being a mineral.
Explanation of Solution
“A mineral is an inorganic, naturally occurring solid formed by geological processes, possessing a crystalline structure and a definable chemical composition.”
- a) Gold nugget - Gold is an example of a mineral, classified as a native element.
- b) Seawater is not a mineral because minerals by definition are solids.
- c) Obsidian is not a mineral because it lacks an internal arrangement of atoms, however, it is an igneous rock.
- d) Ruby is a mineral. It is a gemstone variety of mineral corundum.
- e) Quartz is a mineral.
- f) Glacial ice is a mineral, as it meets all of the criteria of a mineral.
- g) Cubic zirconia is not a mineral as it is not naturally occurring, made in laboratories or by human interference.
- h) Amber is not a mineral since it has an organic origin.
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Exercise Ten / Geologic Time
177
d. Based on the ages of the rock layers in outcrop 1, identify an unconformity. Remember that an unconformity is
a break in the rock record. Draw a wavy line on the figure to represent the unconformity.
Ginkgo
Period
Ginkgo
Lepidodendron
Dimetrodon
Period
Tyrannosaurus
Calamites
Inoceramus
Period
Lepidodendron
Rhodocrinites
Archimedes
Eurypterus
Period
Sharks
Period
Phacops
Agnostus
Outcrop 1
Period
Period
Ichthyosaurus
Period
Sharks
Ceratites
Period
Paleolimulus
A Figure 10.17 Sequences of sedimentary rock layers to accompany Question 7.
10.8 Numerical Dating with Radioactivity
■ Explain the principle of radiometric dating, including half-life, parent isotope,
and daughter product.
Radioactivity has provided a reliable means for calculating the numerical (absolute) age of
rocks, a procedure called radiometric dating. Radioactive isotopes, such as uranium-238,
emit particles from their nuclei that we call radiation. Ultimately, the process of decay…
Chapter 3 Solutions
Earth: An Introduction to Physical Geology (12th Edition)
Ch. 3.1 - Prob. 1CCCh. 3.1 - Prob. 2CCCh. 3.1 - Prob. 3CCCh. 3.1 - Prob. 1EOECh. 3.1 - Prob. 2EOECh. 3.2 - Prob. 1CCCh. 3.2 - Prob. 2CCCh. 3.2 - Prob. 1EOECh. 3.2 - Prob. 2EOECh. 3.2 - Prob. 3EOE
Ch. 3.3 - Prob. 1CCCh. 3.3 - Prob. 2CCCh. 3.3 - Prob. 3CCCh. 3.4 - Prob. 1CCCh. 3.4 - Prob. 2CCCh. 3.4 - Prob. 3CCCh. 3.5 - Prob. 1CCCh. 3.5 - Prob. 2CCCh. 3.5 - Prob. 3CCCh. 3.5 - Prob. 4CCCh. 3.5 - Prob. 5CCCh. 3.6 - Prob. 1CCCh. 3.6 - Prob. 2CCCh. 3.7 - Prob. 1CCCh. 3.7 - Prob. 2CCCh. 3.7 - Prob. 3CCCh. 3.8 - Prob. 1CCCh. 3.8 - Prob. 2CCCh. 3.8 - Prob. 3CCCh. 3.9 - Prob. 1CCCh. 3.9 - Prob. 2CCCh. 3.9 - Prob. 3CCCh. 3.10 - Prob. 1CCCh. 3.10 - Prob. 2CCCh. 3.10 - Prob. 3CCCh. 3 - Prob. 1GSTCh. 3 - Prob. 2GSTCh. 3 - Prob. 3GSTCh. 3 - Prob. 4GSTCh. 3 - Prob. 5GSTCh. 3 - Prob. 6GSTCh. 3 - Prob. 7GSTCh. 3 - Prob. 8GSTCh. 3 - Prob. 9GST
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Similar questions
- Dike K H Fault L Figure 10.12 Geologic block diagram of a hypothetical area. C Youngest B Intrusion J Oldest "arrow_forwardChrome File Edit View History 0 O ↑ X O SIS Ω 4-511 6 Bookmarks Profiles Tab Window Help X 4-510 X 4-509 + cl.castlelearning.com/Review/CLO/Student/Assignment/Questions?assignmentID=13205009&tid=9976762 0 Qad c 4-511 Select Language 98 Mon May 5 5:26 PM Relaunch to update CED Sal Salvatore Burgio 5009 Which cross section best represents the pattern of sediments deposited on the bottom of a lake as the velocity of the stream entering the lake steadily decreased? -Top 2. esc Bottom Top Bottom Top Bottom Top Bottom Submit Answer Zoom: Standard Note Bookmark Eliminator Highlighter Line Reader Reference Calculator Ruter Protractor MAY LO XA tv N Aa MacBook Pro C D Search or type URL ABGAB 1 2 # $ % & 3 4 5 6 7 8 00 Q W E R T Y U tab A S D F G caps lock shift H H ( 9 0 O + 11 Listen P [ ] J K L ? Z X C V B N M H command option L H fn control option command delete return shiftarrow_forwardI need help with part b and c. I don't want an explanation I need the actual graph, because it's hard to understand an explanation without showing what they mean.arrow_forward
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