ESS.101.SWANSON.WINTER.2008.FINAL

ESS.101.SWANSON.WINT - .or Test Files Winter 2009 ESS 101 SWANSON WINTER 2008 FINAL ESS 101 SWAN SON WINTER 2007 FINAL DRAMA 101 MEZUR WINTER 2009

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Unformatted text preview: .or Test Files Winter 2009 ESS 101; SWANSON; WINTER 2008; FINAL ESS 101; SWAN SON; WINTER 2007; FINAL DRAMA 101; MEZUR; WINTER 2009; QUIZ 1 DRAMA 101; MEZUR; WINTER 2009; QUIZ 2 DRAMA 101; MEZUR; WINTER 2009; QUIZ 3 DRAMA 101; MEZUR; WINTER 2009; QUIZ 4 DRAMA 101; MEZUR; WINTER 2009; QUIZ 5 Total Tests: 7 which is 5 house points (max) _ ---.; _ hand \L/ V ' VERSION B: Student'# Please read through the exam and answer the questions as instructed. Please give the best answer to the question. Each question has'only one correct answer. GeologLIOI Final (Winter Quarter 2008) Name: 1. Joints facilitate weathering because a. they increase the acidity of the water b. permit water and other chemical agents to penetrate below the surface c. provide more surface area for the weathering front to attack (1 none of the above answers are correct nly answers b and c are correct 2. Why did the rill depth increase on the limestone boulders measured on three different alpine glacial . moraines studied along the valley floor? t a. the lower moraine received more precipitation ,bf the lower moraine was comprised of weaker limestone rock that was preweathered prior to deposition (Eire lower moraine was older and subjected to longer weathering 1'” d. all of the above answers are correct 3 e. none of the above answers are correct as the rill depth remained constant I Limestone will tend to precipitate in sea water when . hon dioxide content decreases ‘ carbon dioxide content increaSes . it is agitated by wave action @answersbandcarebothcorrect answersaandcarehothcorrect 4. Frost wedging occurs in rock because: a. water contracts when it freezes to form ice. b. water expands when it melts. . c. ater expands when it freezes to form ice. {as water will expand when it evaporates. e. none of the above answers are correct 5. Besides frost wedging which of the following are examples of mechanical weathering? bioturbation I . _ - spelling of boulders from range fires - . M u ' ’c. oxidation of biotite _ d. all of the above answers are correct @nly answers a and b are correct 6. H+ ions utilized in hydrolysis weathering reactions come from a. primordial water emitted directly from volcanic eruptions b. hydrogen sulfide gas @carbonic acid d. hydrogen gas from the atmosphere e. hydrogen peroxide 4 a) 7. Which of the following depositional events generally results in graded beds? a."wind h. precipitation of calcite ‘h 'w glaciers _ turbidity currents E88 101 Final 8. Over time angular joint blocks will due to surface weathering. a. become larger ' ' b. retain their geometric form ® become rounded . d. evolve into faults become more angular e. O] 9. What diagnostic property would you use to determine that the cementing agent within sandstone is F6203? a. it is clear colored b. it does not react with HCI c. it reacts with HCI d. it is a powdery substance e. 'ts reddish color 0. Chen generally precipitatea in deep ocean water because ________. calcium carbonate precipitates in cold water b. silica is less soluble (dissolvable) in cold water c. silica is more soluble in cold water gd’ silica-bearing organisms live in deep water @cne of the above answers are correct 0 ll. Rivers erosion tends to be greatest I fold structure; (Qua: the axisotf ' b. within the limbs c. cross-cutting through the d. anywhere on the ' ' e. underneath the 12. Oolites form from . ' g r: a. precipitation of silica around sand grains oscillated by waves . @recipitanon of calcite around sand grains oscillated by waves c. iron oxide mottles in the B horizon of a soil d. burrowing tubes from marine forarns ‘ e. none of the above answers are correct O l3. A sedimentary rock unit with graded beds thatfine towards the top would indicate that the rock unit has not been deformed (rennins right-side-up) I . that the rock unit was tilted vertically ‘ f c. that the rock unit was overturned (upside down) cl. that the rock unit has been buried e. all of the above answers could be correct 14. If a fault offset a layer of volcanic ash that is 15,000 y. ears old and the fault was buried by a landslide deposit that is radiocarbon dated at 12,000 years old one‘ean infer that the faulting event _____. a. after 12,000 years ago“ I A curred prior to 12.000 years ago urred after 15,000 years ago d. answers a and c are both correct swers b and c are both correct .v' J { 15. According to the principle of inclusions the closest age for the formation of a conglomerate rock _. (by would be oldest clast (pebble) age comprising the conglomerate. £55 " —- C '. ' 0qu be the youngest clast (pebble) age comprising the conglomerate . would be the average clast (pebble) age comprising the conglomerate. (I. would be the age of the largest clast (pebble) comprising the conglomerate. e. answers e and d are both correct. I ,..——" B88 101 Final . 3 16. How might you recognize in the field that a disconformity exists between two sequences of rock? you might observe a buried soil or weathering zone between the two units you would find non-metamorphosed sedimentary rock in direct contact with an igneous pluton \‘x c. the sediment grain size will always vary between the two units ' s; you may observe fossils between the two rock units that did not live during the same time period. “5"- swers a and d are both correct K, 17. The strike-slip fault shown below is a. left lateral I N @right lateral \K c. cannot tell from the diagram V“ (1. right or left lateral depending upon which side of the fault you stand e. none of the above WW ‘® 18. The zig rag pattern of rock units that can be observed while flying over Pennsylvaniais dueto \ a. migrating stream deposits " b.’ erosion of monoclines - 4 - c. erosion of symmetric anticlines and synclines - ' - Q erosion of plunging (tilted) anticlines and synclines @e/ ersoion of tilted strata ,. d. glaciers e. turbidity currents 6 20. According to the principle of cross-cutting relationships, if a fault is found cutting across sedimentary strata. the reasonable conclusion would be that: {an fault is younger than the strata b. the fault is older than the strata c. thefaultand snataare the same age d. it cannot be determined whether the fault or strata is older e. none of the above are correct élj A minimumof 3 ._ b. 10 .. seismic stations is necessary to determine the focus or an earthquake.‘ V3. 22. If an earthquake occurs, the ' waves are the second waves to arrive at a seismic station. a. surface ' ' ' ' b. primary 6:93 P e. none of the above are correct, as all of the seismic waves have! at the same velocity.. 0 23. Topset beds of a delta . t . h. .- e graded to the elevation of the lake or sea level -. .f— ’1 .- are deposited at the bottom of a lake embayment '1 ifcr'are prograded in the direction that a stream flows into a lake _ d. all of the above answers are correct l c. only answers a and b are correct E88 101 Final " 4 24. In order to relieve stress buildup that would cause a magnitude 7 earthquake, approximately how many magnitude 5 earthquakes would have to occur? a. 3 c. 300 e. 27,000 25. High temperature is conducive to deformation in rock. ‘ \ we” a. brittle fracture _ \n‘tnk Aids“;- “(WW % “ 'b. elastic .W 9, e933” @ ductile “we: ( “A. d. all of the above are correct ‘ _ y K 0&3" e. none of the above answers are correct b 26. Which plate boundaries tend to have the deepest focused earthquakes? ' a. transform '1 Q mg: divergent ‘ nvergent all plate boundaries tend to have deep and shallow-focused earthquakes e. depth of earthquake focus is dependent upon the age of the plate boundary 0 27. The effusive eruptions on Iceland i @are composed of basaltic composition lava )br largely destroy structures without many fatalities ,e’. are composed of high viscosity lava - all the show: answers are correct _ é only answers a and b are correct w 1' 51W .1, , . ._ r ~_ Et ' ,‘ . ‘ a 1.? 28. The _ is exposed in the center of an eroding anticline. CgToldest rock b. youngest rock e. weakest d. strongest e. none of the above answers are conect 29. A reverse fault - . . a . i . a. may have repeating strata exposed in a vertical cross-section b. may result in older rock'units overlying younger units in a vertical cross-section /c. results primarily from tensile (extensional) stresses. ( empresfiue 9:136 make H that) ’ all of the above are correct é only answers aand bare correct 30. is an exampleof elastic defamation.- a. an over~tumed fold ‘ 9 b: filling and emptying a reservoir , é, isostatic unloading of the earth's lithosphere following deglaciation d. all of the above anSWers are correct a {©answers b and c are both correct a 31. Which metamorphic rock has been subject-to the highest 'gradeof heatand pressure? 3- mt? - We ewe. b. schist A c. shale @gneiss It . e. none of the above are correct, as the above rocks simply differ because of their‘original protolith. E88 101 Final ' 5 From the diagram of the Basin and Range Province (Nevada and Utah) shown below answer questions 32-35. .I‘ Niki/r ‘\\r./P m 32. What kind of faults bound mountains and valleys of the Basin and Range province in Nevada and Utah? a. reverse faults ‘ @ normal faults c. strike-slip faults , _ d. transform faults - 5 ' e. oblique faults . 33. What kind of stress would you expect to cause this type of faulting? a. shear tensile (extension) c. compressional d. ‘ rotational e. lateral 734. At what kind of plate margin would you expect to find this type of fault? @ divergent b. convergent c. transform d. subduction e. none of the above - _- _~h gravel-v ---“. J M 35. What hypothesis did we disctrsa‘to explain Basin and Range tectonics (i.e.; to explain why a divergent margin might be forming under Nevada and Utah)? Hint: We infer the same geologic cause to explain the broad uplift of the continental crust and subsequent erosion of Grand Canyon. i‘“ a. delayed reaction due to the separation of Pangaea . the spreading ridge was subducted under California and is now positioned under Nevada and Utah. c. bolide (meteorite) impact (1. compressive stresses linked to microterraue collisions of the coast of Washington c. all of the above ' ‘ 36. Overturned folds may evolve into E thrust faults 1). normal faults c. strike-slip faults ‘ d transform faults - ..—-- I e. oblique faults 37. The stress rate the strain rate for elastic defamation; a. is greater than ' ‘ is less than ___._:g is proportional to d. is variable compared to . ' e. never changes relative to 38. Where do earthquakes occur in the Pacific Northwest? 7 a. near the surface within the North American plate ‘ 7 ‘_ a b. deep within the tuna de Fuca plate c. at the Cascadia subduction zone @ all of the above are correct . e. only answers a and c are correct r I _.-._r——- I .—--—-“ ESS 101 Final as 6 o 39. Why is quartz the most coniliion‘ mineral found in beach sand around Puget Scund? OVN‘ (\C \ > “0* If quartz is the most prevalent mineral in Cascade rocks ' quartz is the most resistant mineral to chemical weathering ,e/ quartz is not the most eo‘mmonmneral comprising beach sand around the Puget Sound @uartz is lighter than all the other minerals and can be washed further by waves e. none-of the above answers arecorrect W'S‘I’ COM)“ --"' 40. How did geologists determine the exact day of offset on the Cascadia subduction zone in 1700 AD? a. they counted tree rings of dead cedar trees b. they used radiocarbon dating of buried peat @they had accurate tsunami logs from Japan that recorded this event . they had accurate tsunami logs from native Americans that recorded this event e. there were no records of this event 04!. As the northern Great Lakes isostatjcally rebound a. they will eventually completely drain and disappear @their waters will eventually drain south through the Mississippi River system c. their waters will eventually drain north to the Hudson Bay - (1. their waters will eventually drain east through the St. Lawrence River system e. none of the above are correct, as the Great Lakes are fully isostatimlly compensated 0 42. Clastic sedimentary rocks are subdivided at. based on chemical composition ‘® based on grain size of the constituent clasts e. based on organic content . . (1. based on fossil assemblages contained in the rock e. none of the ab0ve answers are correct. 43. Who was one of the only survivors of‘the St. Pierre Nuee Aldente'? wk X’ \- a. Yvonne Cournyer ' l b. Jean Beliveau c. Serge Sevard d. Guy IaFleur (923ml Sarteret 4-4. The 1980 eruption of Mt. St. Helena was __ previous large eruptions in the Holocene. a.” the same magnitude as - ‘5 1 less than greater than - _ - - none of the above is correct, as there has only been one Mt. St. Helena eruption during Helocene. c. it is not possible to determine the magnitude of prior volcanic eruptions - - 4:5. Lahars generated from Mt. Rainier have Knotted to Seattle within the last 5000 years '6. never flowed beyond the flank of the volcano ® flowed as far as Tacoma within the last 5000 years . flowed to Seattle within the last 500 years e. none of the above answers are correct More Questions on the next two pages E88 101 Final 7 Laboratory Questions . What is the difference between relative and numerical dating? . relative dating uses isotopic decay to calculate the age and numerical dating uses the fossil record to rmine the age range. gelatin: dating uses stratigraphic principles and the fossil record to put deposits and events in order. mericai dating uses iSOlOpic decay to determine the age. . relative dating is an estimate of the age based on stratigraphic principles and isotopic decay while numerical dating uSes the fossil record to precisely compute the age. . relative dating is illegal (at least if they are closer than your cousin) and numerical dating is done by computer ~ dating services. - e. none of the above answers are correct 47. in metamorphic rocks with foliation, the texture develops as ‘a result of: an alignment of piaty (flat) minerals perpendicular to the maximum pressure on the body of rock. . the rock mass melting and then solidifying. c. factors unrelated to metamorphic processes. d. iithostatic pressure. c. all of the above are correct. 48. What diagnostic criteria did you use to identify sedimentaryloonglomerate: A? tiny clay-sized particles _ ' (ID large rounded clasts within the rock matrix / c. large angular clasts within the rock matrix /d.’ reaction with HCI stratified- layers _ u ,..\ 49. Which of the following conditions on a slope will. increase the likelihood of landslides? 3. increasing the slope angle h. saturating the soil - f c. increasing the weight on the slope d. removing the vegetation on a slope (9w of the conditions would increase the likelihood of landslides \ \ Bonus Questions 50. On February 29" Tony wanted to sing Happy Birthday to someone in the class except no student had birthdate on Feb. 29'". What holiday dld Terry find someone With a birthday in lecture that morning? a. Christmas . b. New Years ' e. none of the above are correct 51. 0f the lap top computer used by students in lecture____,% were PC and % were , 40 -b. 10. 90 - c. 50, 50 r ' t d. 40, 60 e. 30. 70 ' More Bonus Questions on the next Page ...
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This note was uploaded on 04/13/2011 for the course ESS 101 taught by Professor Swanson during the Spring '05 term at University of Washington.

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ESS.101.SWANSON.WINT - .or Test Files Winter 2009 ESS 101 SWANSON WINTER 2008 FINAL ESS 101 SWAN SON WINTER 2007 FINAL DRAMA 101 MEZUR WINTER 2009

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