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Multiple choice Questions because that Plutonic and Volcanic Igneous Rocks - Chapters 3 and 4

Each thing will include a few questions draft to test your knowledge of material covered in the chapter and in the Internet-based resources. Your answers room not gift recorded. Shot the following. The price of cooling of a magma or lava is reflected by the ________ of the rock.mineralogytexturecolordensityThe temperature (at the very least a minimum estimate) from which the melt cooled is reflected by the _________ the the rock.mineralogytexturecolordensityWhere would you expect to find the biggest crystals in a lava flow?near the top surface that the flowin the facility of the flownear the bottom the the flowthe crystals would have actually the very same grain size throughout the flowAccording come Bowen"s reaction series, which of the following pairs that phases are likely to it is in incompatible?quartz and alkali feldsparCa-Plagioclase and also olivinequartz and olivineNa-plagioclase and also amphiboleThe critical mineral (assuming that the composition is appropriate) to crystallize native a magma is:plagioclaseolivinequartzpyroxeneThe fine grained (aphanatic) equivalent of a granite is a:rhyolitegabbroandesitebasalt
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Grains space alkali feldspar and also quartz. The length of the figure is around 2 cm.The diagram over most most likely represents a ___________ extrusive igneous rockintrusive igneous rockclastic sedimentary rockchemical sedimentary rockThe rough circuit grained equivalent of a basalt is a:rhyolitegabbroandesitebasaltDescribe the key tectonic settings where you would expect to uncover granitic/rhyolitic rocks:subduction zonecontinent/continent collisionspreading centertransform boundaryDescribe the plate tectonic setups where girlfriend would suppose to find andesites:subduction zonecontinent/continent collisionspreading centertransform boundaryDescribe the bowl tectonic setups where girlfriend would expect to discover basaltic rocks:subduction zonecontinent/continent collisionspreading centertransform boundaryWhich should offer the the very least resistance to circulation - a basaltic lava, an andesitic liquid or a rhyolitic liquid?basaltandesiterhyoliteWhich is an ext likely, a granite dike, a diorite dike or a gabbro dike?granitedioritegabbroWhich of the complying with minerals could be discovered in a granite dike?amphibolemuscovitebiotiteall that theseCrater Lake, Oregon, is a lake within a:sillcratercalderavolcanic neck occupants at the base of which one of the adhering to would face the greatestdanger the a nuee ardente?shield volcanocinder conegeyserstratovolcano The continent crust is most like _______________.graniterhyolitebasaltgabbroThe oceanic crust is most like _______________.graniterhyolitebasaltgabbroWhat kind of volcanic rock includes a huge number of caries (bubbles) that kind when gases escape indigenous the molten rock?graniteobsidianpumicebasaltWhat is the result of water on melting (assuming the absent does not contain any type of hydrous minerals)?water raises the melt temperature of rockwater lowers the melting temperature the a rockwater no raises nor lowers the melting temperatureDuring crystallization the a melt plagioclase end up being richer in __________ .potassiumsodiumcalciumkryptonAt about what temperature do olivine and Ca-rich plagioclase crystallize native a magma?500 levels C1000 levels C1500 levels C2000 levels CWhich of the following is a concordant intrusive rock?dikesillstockbatholithWhat kind of igneous rock would certainly contain 10 mm long plagioclase crystals surrounded by 0.5 mm lengthy crystals?porphyryobsidianphaneriticaphanitic i beg your pardon of the complying with pairs of intrusive and also extrusive rocks have the very same chemical composition?granite and also andesitediorite and basaltgabbro and basaltgabbro and rhyoliteWhich the the following ideal describes a granite?a light-colored, fine-grained igneous rock affluent in silicaa light-colored, fine-grained igneous rock negative in silicaa light-colored, coarse-grained igneous rock wealthy in silicaa light-colored, coarse-grained igneous rock poor in silicaWhich the the following finest describes a basalt?a dark-colored, fine-grained igneous rock affluent in silicaa dark-colored, fine-grained igneous rock poor in silicaa dark-colored, coarse-grained igneous rock wealthy in silicaa dark-colored, coarse-grained igneous rock negative in silicaMost igneous rocks contain ___________SiO2 through weight.less 보다 40%between 40% and also 70%between 70% and also 90%greater 보다 90%Which the the complying with minerals is the many abundant mineral in ultramafic rocks?amphiboleolivinesodium plagioclasequartzWhich of the adhering to statements about mafic rocks is true?mafic rocks room richer in silica than felsic rocksmafic rocks crystallize at higher temperatures than felsic rocksmafic rocks are more viscous than felsic rocksmafic rocks tend to be lighter in shade than felsic rocks.Which that the following igneous rocks crystallizes near the Earth"s surface?basaltgabbrodioritegraniteWhat is the almost right silica contents of a granite?20%50%70%100%Which of this minerals is typically found in both mafic and also felsic rocks?quartzalkali feldsparplagioclase feldsparolivineWhich the the following is no an extrusive igneous rock?basaltandesiteobsidiangranite Felsic => intermediary => =>MaficWhich of the adhering to properties rises in the direction that the arrows in the sentence above?melting temperaturepotassium contentsilica contentviscosityWhat form of magma creates at mid-ocean ridges?basaltandesiteultramaficgraniteA porphyritic igneous rock contains phenocrysts of olivine and also calcium-rich plagioclase in an aphanitic groundmass. This is a __________?andesite porphyrybasalt porphyrygabbro porphyryrhyolite porphyryA porphyritic igneous rock includes phenocrysts that olivine and calcium-rich plagioclase in one phaneritic groundmass.


You are watching: Visible quartz and potassium feldspar grains are the main constituents in a ________.


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This is a __________?andesite porphyrybasalt porphyrygabbro porphyryrhyolite porphyryWhat is the leading rock kind on most of the Hawaiian Islands?basaltandesiteultramaficgraniteWhat is the leading rock type at the facility of the Sierra Nevada Mountains?basaltandesiteultramaficgraniteWhat is the impact of water on melting?water raises the melt temperature the a rockwater lowers the melt temperature of a rockwater walk not readjust the melt temperature the a rockthis relies on exactly how much water is present
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Which that the adhering to scenarios would lead to melting that Albite plus Water?raise the press (P)raise the Temperature (T)either advanced the pressure (P) or advanced the Temperature (T)decrease either the Temperature (T) or press (P)During crystallization that a magma the plagioclase feldspar __________.is replaced by quartzis replaced by pyroxenebecomes richer in calciumbecomes richer in sodiumWhich mineral is not part of the discontinuous reaction series?plagioclaseolivinepyroxeneamphiboleAt about what temperature do olivine and also calcium-rich plagioclase crystallize from a melt? (answers are in levels centigrade)500100015002000Which of the complying with minerals crystallizes first from a basaltic magma?quartzbiotitepyroxeneolivineHow walk a magma make space for chin in order to increase through the crust?by wedging open up the overlying rockby break off huge blocks the sink into the magma chamberby melting the bordering rocksall that theseHow have the right to a sill be identified from a lava flow?a sill is generally coarser-grained 보다 a lava flowthe rocks above and listed below a sill will display evidence that heating but only the rocks below a lava flow will display evidence of heatingsills typically do not have vesicles; lava flows normally have vesiclesall that theseWhich the the following is no a volcano arc the overlies a subduction zone?Aleutian IslandsHawaiian IslandsCascade RangeJapanese IslandsWhat type of silicate minerals on the discontinuous side of the reaction collection crystallize at the highest temperatures?isolated tetrahedralsingle chainsheetframeworkAs a magma transforms from mafic to felsic, i beg your pardon of the following elements decreases?sodiumpotassiumsiliconironWhich that the complying with statements is false?mafic magmas are an ext viscous 보다 felsic magmasmafic magmas room hotter than felsic magmasmafic magmas contain more calcium 보다 felsic magmasmafic magmas contain less silicon 보다 felsic magmasWhich that the following properties does not count on the chemistry composition of one igneous rock?grain sizemelting temperaturemineralogyviscosityCompared come felsic magmas, mafic magmas are reasonably enriched in:calciumironmagnesiumall the the aboveA glassy texture indicates:very quick coolingslow coolingslow followed by rapid coolingnone that the abovePyroclastic rocks form by:a lava cooling on the surface ar of the Earthviolent, explosive volcano eruptiona magma cooling slowing in the subsurfacetwo phases the cooling, one fast and one slowThe visibility of phenocrysts in one igneous rocks indicate:a lava cooling on the surface of the Earthviolent, explosive volcanic eruptiona magma cooling slowly in the subsurfacetwo phases the cooling, one fast and also one slowVesicles in an igneous rock form from:escaping gasesphenocrysts clear up to the bottom of the magma chamberfalling ashall of the aboveThe discontinuous branch the Bowen"s reaction collection consists the minerals v ________ structures.isolated tetrahedrasingle chainsdouble chainsall of the aboveBatholiths are linked with:plateau basaltsoceanic islandsfolded mountainsall of the above
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Which that the following rock varieties is illustrated in the chart above?basaltrhyolitegabbrodiorite
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Which of the following rock species is depicted in the diagram above?felsicintermediatemaficultramafic
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In the basalt sample depicted above, the engine (small spherical cavities) most likely formedby ___________.the to escape of gas bubbles dissolved in the lave during eruptionthe weathering and also erosion the olivine crystals after ~ the eruptionair bubbles entrained in the flow throughout the eruptionvaporization throughout underwater eruption
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What mineral wake up in box i of Bowen"s Reaction collection (above)amphiboleCa-rich plagioclaseolivinequartzWhat mineral occurs at allude II the Bowen"s Reaction series (above)Na-rich plagioclaseCa-rich plagioclaseolivinequartzWhat mineral wake up in box III the Bowen"s Reaction series (above)Na-rich plagioclasemuscoviteolivinequartz
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Which the the complying with volcanic chains developed at a tectonic setup similar to "A"?Aleutian IslandsAndes MountainsCascade RangeHawaiian IslandsWhat type of lava is most likely to erupt at tectonic setup "B"?andesiticbasalticrhyoliticnone of the aboveWhich of the adhering to volcanoes developed at a tectonic setup similar to "C"?Hekla, IcelandMauna LoaMount Pelee, MartiniqueMount St. HelensTry these fill-in-the blanks
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