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GEOS1004_Test2 - The exam par-ind is 65 minutes Keep your...

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Unformatted text preview: The exam par-ind is 65 minutes Keep your copy ofthe exam for reference Make sure your name and Dumber are mapscan sheet Grades will he pastedhy Monday SNOV Geolugy 1004 Quiz 2, Fall 2007 on-c 'I. Melanin-phi: rocks four: by . ’A. crystallization ufmoltm rock E) (3 solid state chmges due to Write-imam and/or pressure: (3. lithit‘mtion ofsedimems D. chemical err biochemical precipitation of minerals 2,... sandswneisanexatrmlc of: rock. A. regionil meat-rumble \ B. contact nmmm‘phic C. chemical sedimentary D. elastic sedimentary 3. Oil farms . A. in volcanic mclrsthu have abundanl feldspar, C B. in mutant metamurphic rocks C. in sedimentary rocks that which in organic remains D. in platonic reels that are rich in C30 4. Which nfthe following mineul is mommme r’mmd am‘y m mmplficmk? A. quam "; B. kyarm: b C. feldspar D. mica 5.C‘hemienl sediments form from . A mpid cmling of Inollem sediments C B. particles ufxediment deposited in Writer C. precipitation ofrninerals fium sea WM 6. Which ui'thr: fulluwmg irrvulvcs stretching mm: mm A 1) comm] rm; 2) mm: fault; 3) mm: fault 7. Bedrock is . A. layered beds ufclashc radium-tan: rock D B. layers chock that have not‘been deformed during regional metam-plfism (2. layers nt'vnlcsnic rock D. the rack underlying the has: surface material ofthe Earth's Hm‘face like soils 8.1herockcycleis A. a set ofgeolugiul pirmesscs by which each oftlw three rock types is formed from the 6 011m two 1!. a period ofappmximately an: hmdred million years during Whlch all afthe Earth‘s rocks are remade into new mclm C. I circuit from ocean flmntosubducliun, “lifflime” cfa rock D. lb: msformatim from clmic sedimentau'y rock in chemical making, and volcanic mzpliw That dwarfbes a SHIRon C/ \A\ m mi../ 1 Rock: \IWL“ Roch 9. Referring 10 the diagram above, path ‘A" is A. cunning and crystallizalim fr 3. burial and liihificah'on 3 c. Weathmng and deposition D. cooling and uplifl l0. Refmmg m Ihe diam above, what must occur along path “B”? A. upiifi, weathering and erosion, deposition A B. dcposl‘lion. hcat and pressure, wuflim‘ng C. melting, cryslafliaotiun, heat and pressure D. dcpusilion, limificaficn, crystallizatiun 11. Referring to the dingnm above, what famrts) an: responsible {mpth “C”? A. melling C, B. myszeliizaiion C. hem and pressure D. bun'al and lififificifion 12‘ Sediments deposited in an man basin (from man.“ to land In film way) are; A n. conglomerate. sand, shale l b. sand, shalt, oanglummte c. shale, sand, nonglamelate 13 Changes in 5% level :srecordcd by sediments, and me under the general concept nf: a. Milankuvi: orbital fuming #1 b. changes in the size ofth: plum. c. inn-ms: in thc wave size in th: oceans Fm- questions 14 through 23, arrange the Geological Time Scale 12mm oifiesuoymmgesrz ‘4 l4. OLDEST PERIOD 1. Penman 715. 2. Pmnsylvarlinn $ $16. 3. Devonian a II 4. Cmbrim l, 7.18. S. Cretaceous 5’ I 19. 61mm lb 2.0. 7.0rduvicim1 '3 11- 8. Silurian Lo 22. 9. Quaternn'yab 5‘. 23. YOUNGEST PERIOD 10. Triassic '| 24. [film Ram ofnrosian = 0.03 mrnfyr, how long dues intake 10 erodes 3000mm:- high mumzin'.’ P) a. 1 million years la. IUD rmllifln years c. 1000 milliun ycars Ziusmgrhroquazion t 5' 1") D wharis (he calculalad age in millions ofyeazs an : I54 x lo“ yr" anti DIP INNS? 1. Tfifimy. 2. AOOOmy. 3. 75 my. 4. 323 my. 26. lfyou haw 100 grams ofmdinacnve parenr wima half lil': 01’23 years. how much at the fi parent Will ‘0: lefi 56 yam fimn mm? .5 l) 0 gram. 2) 25 grams. 3) 28 grams. 4) 50 grams 27. Which om»: following invnlves stretching Dr Lhe cram A Unarmal fault 2) reveme faull 28 .Ifabyssal clay were dcposmd at a ran: ofl mm per 1000 years. haw 1mg wunld ll Lake lo dcpusita layer 1000M thick”! 1). 500 years 2). lOOmilliun years 3} lonillionyears 4) 1 millionyears 29. Calculaw the anion proportion for the following oompusxliun: Mi 0" all! l1. 100.0. 1000 d. 133 2.150 30. Calculam Lb: anion proportion In: the following meosifim: Ca Mg Si 04 {5 3.10 h.l33 2150 El 1000 e100 Prognssivz increasc in pressure and temperature ul'shale (mudstone) lareonrded by Lb: nppmnce of critical minerals. Match the following minerals lo bur—ml“? and T conditions: 31. lowest? and T a. Sillimanile mart-$1 [7 32 slighuy higher P, 1' b. Chlamwflfl l 31. increased P andT c. biminsucmvw MW 34. increasing m a Smmmcchiwi "‘9 VT" 35. Increasing P-T 3. 3mm \mrcc‘ Sea FM? :5. Highesl M f. Kymite \mecama) ? 1" 311 dhlf‘U’ For Lhc structure section abova. lis‘ the muencc nf geolng‘n: Hams fium oldest to youngest. i4. 37. eldest evenl 2 as. mm ynungzrutnr L; 39. next younger went ‘* 1. dcposilion an—L-M-N—O-P 'F 2. imrusion ufgnmile A ‘u' 3. faulting along] L 40. next younger evcni ‘ 4, dcpasm‘an ofB-(LD-E-F-G-H - 5 41. mm younger cvem 5. mmnsiun ufdike Q '3 42. mm yuungcrcvmt 6. “king and erosion ofE—C-D—E—F—G-E and. granite A ’1‘ 43. youngest oven: 1 7. intrusion of dikeI ,q 44 mm. .s midst, dike Q nr mm m a) dike Q m dikeI c) mm [:11 For questions 4547 2.1] the sketches an surface View: of smumcs. Look cammlly at 111: dip and smk: symbuls. Lh: dixectiun (north) 15 marked for questinns 46 and 41'. Mulch the diagram wilh ‘13: discripuon: Y=yuungcsL M=midd]c, o=mdm l.) synclinc plunging ms: 2). andchne plungmg east 3). duubly plunging amich‘nc 4). noniplnngmg anncline 5) . revefse Fault Th1: cyciimy (laymg) mord in sadimmwy rocks sugggms mm diffncnt canh sun rulauunslnp can cxplam [he vamng mas (cycles) of sammcnlasian. Mauh me was to the pmflss: 12‘ 43. 100,000 years cycle 49. 40,000 year cyclcs 50. 20,000 years cynic: a, acetaminin b. changes ‘m till c. wobble in ans Dfrourion ...
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