Evaporites - Study guides, Class notes & Summaries

PHSC 211 Exam #1 Short Answer questions and answers 100% correct Volcanic Activity creates two main types of deposits that can form igneous rocks. What are they? Lava flows and pyroclastic material List the four sizes and measurements of pyroclastic material 1) Volcanic Ash <2mm 2) Lapilli >2mm <64mm 3)Blocks >64mm, ejected solids 4)Bombs >64mm, ejected molten material If ocean crust is rich in ferromagnesian minerals, what type of rocks are on the ocean floor?...

What does the "Single-Point Resistivity Log" show and what area is it limited to? - ANSWER-A log that measures the resistivity using 2 electrodes and having a limited area of investigation of from 5 to 10 times the electrode diameter What is the "Area of Influence" of a well? - ANSWER-The area within which the potentiometric surface is lowered by withdrawal or raised by injection, of water through a well Define aquifer - ANSWER-A geologic unit that is saturated and sufficiently permeab...

Which geologic law explains the relative ages of rocks with respect to one another in a map or cross section? - ANSWER-Principle of Initial Horizontality Law of Superposition Law of Cross-cutting Relationship Surface exposure, in a temperate environment, of aluminum silicate minerals such as feldspar would result in the development of which of the following clay minerals? - ANSWER-Montmorillonite What geologic condition would produce slow drainage within the cone of depression of an unco...

Which geologic law explains the relative ages of rocks with respect to one another in a map or cross section? - ANSWER-Principle of Horizontality, Law of Superposition, Law of Cross-Cutting Relationships Surface exposure, in a temperate environment, of aluminum silicate minerals such as feldspar would result in the development of which of the following clay minerals? - ANSWER-Montmorillonite - a colloidal, hydrated aluminum silicate What geologic condition would produce slow drainage withi...

With respect to a mineral commodity, the definition of the "resource" is: A) the economic amount of the commodity extracted B) a local accumulation of a specific mineral that contains that commodity C) the total number of mineral deposits of that commodity D) the amount of the commodity that exists in the Earth E) the estimated total amount of that commodity that is ultimately economically recoverable - E The process of erosional unloading can produce: A) Leaching B) Mud Cracks C) Pil...

With respect to a mineral commodity, the definition of the "resource" is: A) the economic amount of the commodity extracted B) a local accumulation of a specific mineral that contains that commodity C) the total number of mineral deposits of that commodity D) the amount of the commodity that exists in the Earth E) the estimated total amount of that commodity that is ultimately economically recoverable - E The process of erosional unloading can produce: A) Leaching B) Mud Cracks C) Pil...

Why is color not always reliable when identifying minerals? Question options: because color is subjective because the same mineral can be different colors 4 / 4 points Put the following in order of their abundance, starting with the MOST abundant: carbon, silicon, oxygen, iron, and hydrogen. Question options: carbon, oxygen, hydrogen, iron, and silicon oxygen, carbon, silicon, hydrogen, and iron 4 / 4 points Which two elements are the scarcest in the crust? Question option...

Which element comprises about 8% of the crust? 4.0/ 4.0 Points A. silicon B. iron  C. aluminum Feedback: 3.1.2 Periodic Table of the Elements Question 2 of 25 The nucleus is composed of which two subatomic particles? 4.0/ 4.0 Points A. protons and electrons B. neutrons and electrons  C. protons and neutrons Feedback: Johnson et al. 3.1.1 Question 3 of 25 Which of the following is NOT a class of minera...

These notes provide an introduction to geology and minerals. Goes over mineral chemistry, the atom model, types of bonding, silicates, evaporites, and types of ores.

Pervious questions 4.0/ 4.0 Points Which two elements are the most common in the crust?  A. iron and magnesium  B. potassium and magnesium  C. silicon and oxygen Which element comprises about 8% of the crust?  A. silicon  B. iron  C. aluminum Which of the following techniques is the MOST diagnostic or reliable?  A. color  B. hardness  C. cleavage Question 4 of 25 0.0/ 4.0 Points Which of the following is considered to be composed of a mineral?  A. l...