Hydrothermal deposit - Study guides, Class notes & Summaries

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...

What is a fold line and how is it used? - ANSWER-The fold line is a hinge line along which a vertical cross section may be constructed and then flattened out to a horizontal or map view. It is used to represent the subsurface along any given line in a map view. It need not be perpendicular to strike. What is the angle and side relationships for the sin equation? - ANSWER-sinα = opposite side/hypotenuse What is the angle and side relationships for the tanget equation? - ANSWER-tanα = oppo...

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...

What is the ultimate source of energy for most of Earth's ecosystem? - ANSWERSsun How much energy in one trophic level transfers to the next level? - ANSWERS10% primary producer (algae) - ANSWERS100% Herbivore (small fish) - ANSWERS10% Carnivore (Big fish) - ANSWERS1% Carnivore (Bird) - ANSWERS0.1% What are the three types of consumers? What do each of them consume? - ANSWERS1. Herbivore- plants/producers 2. Carnivore- meat (anything other than plants) 3. Omnivore- plants ...

Which of the following is a gem variety? Assignment 1️️demantoid A substance that consists of atoms of only one kind is a. Assignment 1️️chemical element Which of the following is an organic gem? Assignment 1️️amber Many colored stones are mined by. Assignment 1️️independent miners using small-scale mining methods. Which group does almandine belong to? Assignment 1️️Garnet Synthetic gem materials. Assignment 1️️Are not mineral A broad gem category based on chemical...

By what date had Kokichi Mikimoto begun culturing whole pearls️️1908 Synthetic gem materials️️Are not minerals which of the following is an organic gem️️amber which of the following is amorphous️️amber a natural material that's made up of a mass of one or more kinds of mineral crystals is️️rock what group does alamandine belong to️️garnet A gem produced by, or derived from, a living organism is️️organic which of the following is a gem variety️️demantoid t...

rocks️️the raw materials of gemstone formation the continental crust️️most colored stones form in... gem formation️️geological conditions during mountain building are favorable for... slow cooling️️In igneous rocks, large crystals indicate quick cooling️️In igneous rocks, small crystals indicate volcanic rock️️What can transport existing gems from deep in the crust to the earth's surface? pegmatites️️Some of the largest and most perfect gem crystals come from.....

Short Answer Answer Quiz 1: Intro, Structure of the Earth, Continental Drift, Plate Tectonics Version 1 1. Study the images below, showing the distribution of earthquakes, volcanoes, and bathymetry. a. What type of plate boundary is represented? Convergent b. Briefly explain your answer using the evidence/data in the images It is convergent since all volcanic arcs are on the one side while the boundary is on the other. Convergent plate boundary occurs either with ocean-ocean or ocean-...