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AdvancedGeologyFieldTripRockTable 1:Calcite 2:Pyroxene 3:Gypsum 4:Amphibole 5:Quartz Mineral (whiteorclear, diamond‐shape,white streak,hardness3) Mineral (grayish,largegrain glitters,hardness5‐6, lightgreenstreak) Mineral (white,soft‐looking, hardness2,white streak) Mineral (grayish,largegrain glitters,hardness5‐6, colorlessstreak) Mineral (white‐clearcolor,no cleavage,hardness7+) 6:Mica 7:Feldspar 8:Plagioclase 9:Bauxite 10:Limonite Mineral (cleavageonone plane,silvery‐gold color,dividesinto sheets) Mineral (pink,shiny,hardness 6,flatcleavageontwo planes) Mineral (grayrockwithlarge‐ grainsparklybits, lighterincolorthan gabbro,hardness6) AluminumOre Igneous,Sedimentary (whitestreak,hardness 2‐3,brown/red/orange withdarkcircles) 11 Hematite 12 Pyrolusite 13 Magnetite 14 Copper IronOre (darkred,comesoff rubsoff,darkred‐ brownstreak) ManganeseOre (verydarkrock,dark streak,hardness6) IronOre (magneticironore, heavy,black,leaves darkstreak) CopperOre (darkrockwithbright greenspotsorstripes) Iron‐SulfurOre (gold,brassy,metallic, andleavesagreenish‐ blackstreak) 16 Fluorite 17 Sulfur 18 Barite 19 Graphite 20 Talc Mineral (lookslikegreen glass,whitestreak) Mineral (yellowcolor,smells likerotteneggs) Mineral (whitewithpink streaks/tint,white streak,hardness3) Mineral (darkgray,leavesadark markonpaperand streakplate) Mineral (layered,hardness1, greasyfeel,gold‐ brownstreak) 21 Tufa 22 Limestone 23 Conglomerate 25 Sandstone Sedimentary,avariety oflimestone (lightcolor,porous, reactswithacid) BiologicalSedimentary (grayrockthat bubbleswithacid, hardness3) ClasticSedimentary (Pink‐brown‐gray, lookslikepebbles cementedtogether.) 24 Fossiliferous Limestone 26 Shale 27 Bituminous Coal 28 Unknown Rocks ClasticSedimentary (gray,fine‐grained, hardness3) BiologicalSedimentary (jetblack,soft,and brittle,shiny) (anyrocksyouhave noideaaboutwhen you’redone,puthere) 15 Pyrite BiologicalSedimentary (smashedshellsput together,acidreaction) ClasticSedimentary (grainsofsand cementedtogether,no streak,hardness7) 29 Porphyry 30 Obsidian Igneous (black‐whitespeckled rock,veryhard, hardness6‐7) ExtrusiveIgneous (black,glass‐like, conchoidalcleavage‐ lookslikeashell) 31:Felsite 32:Pumice 33:Basalt 34:Gabbro 35:Granite Igneous (pinkrockwithfew smallsparklyflecks, hardness3‐4) ExtrusiveIgneous (verylightweight, floatsinwater,fullof holes,lightincolor) ExtrusiveIgneous (darkcolor, lightweight,fullof holes) IntrusiveIgneous (grayish,largegrain glitters,hardness5‐6, colorlessstreak) IntrusiveIgneous (pink‐graywithdark flecks,hardness6‐7) 36:Slate 37:Gneiss 38:Marble 39:MicaSchist 40:Quartzite Metamorphic FromShale (darkgray,lookslike sheetspressed together,layered, hardness2‐3) Metamorphic FromGranite (pronounced“nice”, blackandwhite speckled,banded, glitters) Metamorphic FromLimestone (white,largergrains glittersections, hardness3‐4) Metamorphic FromQuartzandMica (silvery,layered,fine grainsglitterinthe sunlight) Metamorphic FromSandstone (darkrock,hardness 7+) IronOre (yellowishbrown, yelloworbrown streak) SuperchargedScience www.ScienceLearningSpace.com Page1 HowtoFigureoutWhichRockisWhich? 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. Findtheyellowoneandseeifitsmellslikerotteneggs.(#17:sulfur) Findthesparklygoldone–useyourstreakplatetofindifitleavesadarkstreak.(#15:pyrite) Findasilvery‐goldonethatlookslikeitismadeupofsheetssquashedtogether.(#6:mica) Findtwolightweightrocksfullofholes.There’sonethatfloatsinwater(#32:pumice)andonethatdoesn’t (#21:tufa). Findapiecethatlookslikegreenish‐clearglass(#16:fluorite) Findaredrockthatwhenrubbed,thecolorcomesoffonyourfingers.Italsoleavesared‐brownstreak. (#11:hematite) Findayellow‐brownrockthatleavesayelloworbrownstreak(#10:limonite) Findapinkrockthatisshiny,andcan’tbescratchedbyasteelnail.It’salsogotstraightsidesonacoupleof thesurfaces(#7:feldspar). Findared‐orangerockthatlookslikeithasdarkcirclesonit.(#9:bauxite) Findapiecethatlookslikeblackglass(#30:obsidian)withconchoidalcleavage Findabrown,flatpiecethatisslipperyandgreasytotouch,canbescratchedbyyourfingernail(#20:talc) Findtwopinkrockswithdarkspots.There’sonethatlookslikeit’smadeoutofpebblescementedtogether (#23:conglomerate)andonethatlookslikethedarkspotsarepartoftherockitself(#35:granite). Findfivewhiterocks.Findtheonethatcanscratchglass(#5:quartz). Thefourremainingwhiterockshavedifferentproperties:onelookslikeatransparentcubeandisveryflat onallsides(#1:calcite),oneissoft‐looking,leavesawhitestreak,andcanbescratchedbycalcite(#3: gypsum),oneissparklyandreactswithacid(#38:marble),andonehasnon‐whitesurfaces(#18:barite) Findalight‐coloredpiecethatlookslikeabunchofsmashed‐upshellscementedtogether(#24: fossiliferouslimestone) Findadull‐pinkish‐redrockthatlookslikeitismadeupoftinygrainsofsandcementedtogetherthathas goodcleavageononeside(#25:sandstone) Runamagnetoveryourdarkcoloredrocksandfindtheonethatisslightlymagnetic(#13:magnetite) Findashiny,blacklightweightrockthatbreaksalongitslength(#27:bituminouscoal) Findadarkgrayrockthatwritesonpaper(#19graphite),usuallythin. Findadarkrockthathasgreenbitsorstripesonit(#14:copperore) Lookattherestofyourdarkrocks,andfindthefourthatareglittery.There’sthreethataresoliddarkcolor (#34:gabbro),(#2:pyroxene“pie‐ROCK‐scene”)and(#4:Amphibole“am‐fi‐BOWL”)andonethatis stripedorlayered(#37:gneiss) Lookforasparklygrayish‐silverrock(#39:micaschist).Thisismadefromquartzandmica. Grayrockthathascleavagethatlookslikestairsteps,lookslikeflatsheetspressedtogether,canbe scratchedbyanailandcoin(#36:slate). Findarockthatlooksalotlikeslate,onlyinsteadofstepsit’sgotflatsurfaceswhereitbroke(#26:shale) Findagrayrockwithlargesparklybits,lighterincolorthangabbro,pyroxene,andamphibole.(#8: plagioclase“plage‐EE‐O‐claize”) Findadarkrockthatisfullofholes(#33:basalt).Veryhardrock. Findablack‐whitespeckledrock,veryhard,thatcanscratchglass(#29:porphyry“POOR‐for‐ee”) Findalightweightpinkrockthatcanbescratchedbyanail(#31:felsite)thathasacoupleoflittlebitsof glitteryflakesinit. Findaverydarkrockthatleavesathin,hardtomakedarkstreak.(#12:pyrolusite“pie‐ROL‐you‐site”) Findagrayrockthatreactswithacid.(#22:limestone)Ifitdoesn’t,checkyourshaleandslaterockstosee ofanyofthosereactwithacid.Theseareoftenmixedupwitheachother. Findarockthatcanscratchglass(#40:limestone) SuperchargedScience www.ScienceLearningSpace.com Page2