Lab12 - Name: SID: Lab 12: Hydrocarbon and Mineral...

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Name: SID: Lab 12: Hydrocarbon and Mineral Resources Introduction: Opportunities to directly observe rocks below the surface are limited to a few mines, tunnels, and caves. Much more is learned about subsurface geology by interpreting data obtained from wells drilled for things like crude oil, natural gas, and water. Geologists compile information from each well into a well log. The log describes each rock unit penetrated by the drill, its lithology and thickness, and notes any economically important materials encountered such as coal, salt, natural gas, crude oil or water. Geologists also use the data from well logs to create maps that show rock thicknesses and attitudes in the subsurface. These maps can be used to determine more precise locations of additional Earth resources. Mineral resources are also a very important part of the intersection of geology and society. In this lab, we will explore copper consumption as an example. Objectives: You will use well log data to construct geologic profiles and maps of subsurface geologic units and their distribution. You will analyze data from exploration wells and oil production wells and interpret subsurface geology to locate economic reserves of coal, oil and gas. You will then look at use of copper resources in the US. Answers: Please take a few minutes to read through the lab handout. In certain places you will be asked to record a series of observations and answer a few specific questions. In addition, at the end of the handout are a few general questions that you will have to answer. Please read over the questions before we begin so that you can formulate your answers and ask relevant questions as the lab progresses. Answer the indented, numbered questions below on THIS LAB – you will turn in this document . Explanations should be concise; most questions can be answered with a few words, or a sentence or two. All answers should be your own, but we encourage you to discuss and check your answers with 2-3 other students. Discussion and explanation are terrific ways to learn! Labs are graded out of 100 points, and then scaled accordingly. -------------------------------------------------------------------------------------------------------------- Part 1: Trapping hydrocarbons A hydrocarbon is any solid, liquid, or gaseous material that consists solely of hydrogen and carbon. Crude oil and natural gas are both mixtures of may different hydrocarbons. They are refined (processed) into the kinds and grades of oil and gas products that you use on a daily basis. Crude oil and natural gas are nonrenewable natural resources. They are produced naturally over thousands to hundreds of millions of years, and their quantity is finite in human terms. Reserves of crude oil and natural gas are also difficult to locate, extract from the ground, refine into useful products, and distribute to consumers. The difficult task of finding fossil fuels is only the first step in providing the products made from them that we consume. Gasoline and other petroleum products are the result of a
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This note was uploaded on 09/17/2009 for the course EPS 50 taught by Professor Staff during the Spring '08 term at University of California, Berkeley.

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Lab12 - Name: SID: Lab 12: Hydrocarbon and Mineral...

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