c) unfractured granite can hold water. d)islands in the southwestern Pacific ocean b) the atmosphere rotating faster at the equator than at the poles d) a line that separates the tree from the grasslands on the shaded relief maps. d) compression that buckles the crust forming the ridge a) Convergent b) the presence of coral reefs on land Usually. a) a lake that is above the water table may lose water to groundwater Porosity is the percent of open spaces or voids within a volume of soil or rock. The main layers of the Earth in correct order, from the surface moving down is: Geology can help us learn about Earth's past by studying. Therefore, the higher the original porosity, the more easily the rock was affected by dissolution. c) beach along and ocean or lake e) all of these, Loaning of atoms reflects what type of bonding? c) dolostone b) magnetism mimics in a subdued way the topography of the earth's surface. . The stream in this scenario is the location with the lowest hydraulic potential, so the groundwater that flows to the lower parts of the aquifer has to flow upward to reach this location. c) uplift and unloading of pressure b) determines the compostion of the cement between grains and clasts c) Divergent c) medium grained granite The actual speed of groundwater flow (v) is given by: where n is the porosity of the rock. a) because the temp of the oceans decreases from cold glacial streams defined at body of water at that location d.Estimate the porosity of the sediments in Figures 14a to d, selecting a value from the following ranges for each: less than 10%; 10-20%; 20-30%; 30-40%. e) a and b only, the term half life represents the time it takes: c) lava flows a) adding water to a slope Want to achieve your ambition? In central Oklahoma, the Garber-Wellington aquifer can provide groundwater at rates averaging between 150-250 gallons per . a) a weak current 3. Sign up for our regular newsletter to get updates about our new free courses, interactives, videos and topical content on OpenLearn. b) the relationship between regional elevations and thickness of crust. In a material that holds groundwater, porosity: A. controls the amount of water that can be stored Which of the following aquifers require a low permeability zone above it or below it? a) near magma but a shallow levels c) the sediment becomes more poorly sorted It originates as rainfall or snow, and then moves through the soil into the groundwater system, where it eventually makes its way back to surface streams, lakes, or oceans. d) gravity less water - lower land d) oceanic trenches d) a sharp contrast between two rock types e) all of these, In identifying different minerals what don't geologists use? Porosity is a description of how much space there could be to hold water under the ground, and permeability describes how those pores are shaped and interconnected. The porosity of rocks may be increased by processes that occur after the rocks have formed. In the case of groundwater, that material is the ground. The input number may contain letters. d) the velocity and turbulence of the current Well Development Malla Reddy University Follow Advertisement Advertisement Recommended Groundwater !SYOU co-designed sneakers 2.7k views 29 slides excess pumping a) abrasion is concentrated on the upstream side of obstructions The initial porosity of carbonate rock significantly affected the increase in dissolution-induced porosity. . a) all rocks were originally deposited horizontally Groundwater . In a material that holds groundwater, porosity: a) controls the amount of water that can be sorted b) determines the compostion of the cement between grains and clasts c) does not depend on the size and shape of grains and clasts d) is constant from one type of material to another. d) gray granite For example, water flowing through a porous sandstone flows more slowly than water flowing through a granite or limestone when the porosity is provided by just one or two narrow fissures. c) fluid pressure is greater than the confining pressure c) convergent d) construction of dams for hydroelectric power d)Mesosoic, what is the height of the tallest tsunami in the open ocean? b) Africa and North America collided to form the Appalachian Mountains Groundwater separated from atmospheric pressure by relatively impermeable material is termed confined groundwater . a) well sorted fine grained sediment Which of the following is NOT true about the water table? c) wind e) Kentucky, Alabama, Tennessese, what are some ways that geology controls ecology? The morphology and porosity of prepared composite material were observed by SEM analysis. In the case of groundwater, that material is the ground. c)there are much fewer intervals of reversed polarity than normal polarity The speed of flow in rocks is extremely slow in comparison with surface flow, even for rocks with high hydraulic conductivities. d) water from precipitation and snowmelt At the scale of laboratory investigations, careful attention to the conditions of the porous sample is required. c) hardness with a depth of 150 mm = 0.150 m and a surface area of 1 m 2 ). Lassen, A hot spot is interpreted to have formed from: what is the likely porosity and permeability of pumice? Good aquifers are those with high permeability such as poorly cemented sands, d) municipal water, what is permafrost? a) dissolution d) mars, What causes a water molecule to be polar? a) contamination moves up the slope of groundwater d) some parts that are reddish and others that are not c) ground water Darcy's Law 5. Calculate the following. Types of Wells 7. Access Package: Exploring Geology with CONNECT Plus 1-semester Access Card 3rd Edition Chapter 17 Problem 33MCQ solution now. a) a compass needle would point south b) they can be buried and decay, leaving a cavity in the rock The porosity will vary with grain size in the following ways: a.For unconsolidated sediments, the larger the grain size, the lower the porosity (Table 1). c) 1 meter what type of aquifer is an artesian well associated with? d) channel of a braided river b) abyssal plain c) hardness These pores are isolated from the active groundwater system, thus do not contribute to exchange of groundwater storage or transmission of groundwater. a) effervescence In broad terms, how does porosity vary with the grain size of (a) unconsolidated sediments and (b) consolidated sediments? The Loeb-Sourirajan RO membrane was developed for seawater desalination using the Preferential Sorption-Capillary Flow (PS-CF) model, and apertures are essential in order to pass . This is referred to as secondary porosity, to distinguish it from the intergranular, or primary, porosity. In a material that holds groundwater, porosity: A. controls the amount of water that can be stored B. determines the composition of the cement between grains and clasts C. does not depend on the size and shape of grains and clasts D. is constant from one type of material to another. b) rates of seafloor spreading compared to the width of the Atlantic ocean Drag the art in the correct order, arranged from the youngest (most recent) at the top (number 1)to the, Which of the following is NOT one of the ways in which hydraulic fracturing, or "fracking", of oil and gas deposits is affecting water quality? d) dunes formed by wind, What typically happens to the size, shape, and sorting of clasts as they are transported from steep mountains toward more gentle settings? d) swimming pools, the Coriolis effect in the atmosphere is due to: c) the ocean What kind of boundary is most likely to have volcanoes and earthquakes associated with it The permittivity measures the obstruction produces by the material in the formation of the electric field, whereas the permeability is the ability of the material to allow magnetic lines to conduct through it. e) none of the above, c) most groundwater forms when water on the surface infiltrates into the ground, which of the following materials probably has the lowest porosity? funnels, are the result of groundwater and seawater erosion as . d. HCl\mathrm{HCl}HCl is more soluble in water than in CCl4\mathrm{CCl}_4CCl4. d) granite d) all of the above c) shaking during an earthquake a) sedimentary e) all of the above, a) abrasion is concentrated on the upstream side of obstructions, the size of clast that a river can carry is primarily controlled by: c) depends For example, a fine soil has smaller but more numerous pores than a coarse soil. The top level of this saturated zone is called ground water table. c) width of the beach d) the surface area decrease as the rock is fractured a fossils indicate that a sediment was deposited on land d) aligned magnetic minerals within Earth's inner core, c) movement of iron and electrical currents within Earth's outer core, Which of the following is associated with mid-ocean ridges? c) nuclear energy from the heated uranium-rich rocks e) all of the above are reasons why rain forests are disappearing, e) all of the above are reasons why rain forests are disappearing, where do most deserts and arid lands occur: e) a and b only, which of the following rocks cannot be metamorphosed? However, groundwater, even flowing through rocks with hydraulic conductivities as high as 1 m per day, will only have a speed of around 3 103 m per day under the hydraulic gradient from the Chilterns to London, and will take thousands of years to travel the same distance. c) as a general term to describe how, something such as a landscape has changed over time c) seamounts a) transport of the clast over long distance Access modules, Certificates, and Short Courses. . d) joints that form when rock pressures are released Aflow throughpermeabilityporosity . b) the decay of creatures that float on the ocean surface and settle to the bottom a) s strong current e) metamorphism, A rock is subjected to differential stress, then it means that: X+YZ. c) the rock cycle The effective porosity may equal, or be less than, the total porosity (n) of the sample (Table 1 and 2). The soil moisture content can also be expressed in percent of volume. e) none of the above, b) large cross beds in a well stored sandstone usually indicate deposition by wind, which of the following is most likely to occur at shallow crustal levels? c) cement which of the following best explains what a contour line is? e) a and b only, what is the depth of wave base? In a material that holds groundwater, porosity. b) abundant magma produced within a subduction zone b) to one or more theories that help explain observed changes a) steepness of slope b) a great variety of rock types as clasts b) scattered stone (dropstones) in fine grained sediment The movement of seawater into freshwater aquifers, which can lead to contamination of drinking water sources and other consequences. The studied outcrop has a total thickness of about 60 m which was categorized into four microfacies i.e., bioclastic mudstone, bioclastic mud-wackestone, bioclastic . 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