Rocks and Minerals and their Exploitation
Quiz by minna wahid
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30 questions
Show answers
- Q1What type of rock forms from the cooling and solidification of magma or lava?Igneous rockFossil rockMetamorphic rockSedimentary rock30s
- Q2Which method of mineral exploration involves analyzing the chemical properties of rock samples?Remote sensingSeismic wavesField surveysGeochemical analysis30s
- Q3What type of rock is formed when existing rocks undergo heat and pressure?Igneous rockFossil rockMetamorphic rockSedimentary rock30s
- Q4What is the primary environmental concern associated with surface mining?Increased soil fertilityDecrease in mineral qualityReduction in air qualityLoss of habitat30s
- Q5Which factor is NOT considered when deciding whether to extract rocks and minerals?AccessibilityGeologyWeather patternsSupply and demand30s
- Q6What is the main goal of land restoration after mining activities?To lower operational costsTo create new mining sitesTo increase mineral extractionTo restore the ecosystem and prevent pollution30s
- Q7Which process involves searching for minerals by examining the surface of rocks?Geothermal explorationExcavationProspectingMining30s
- Q8What is the term for a rock that contains enough valuable minerals to justify its extraction?OreSedimentBasaltGranite30s
- Q9Which mining method involves removing a thin strip of overburden to access minerals below?Shaft miningSubsurface miningOpen-pit miningStrip mining30s
- Q10Which of the following is a significant consequence of mining that affects local water supplies?Water pollutionImproved air qualityIncreased wildlife populationsEnhanced soil quality30s
- Q11What process describes the transformation of one rock type into another in the rock cycle?CoolingSedimentationErosionMetamorphism30s
- Q12Which type of rock is formed from the cooling and solidification of magma?Igneous rockMetamorphic rockFossilized rockSedimentary rock30s
- Q13What is the primary method of mining used when valuable minerals are located deep underground?Strip miningOpen-pit miningSub-surface miningMountain top removal30s
- Q14Which process involves the accumulation and compaction of sediments into layers over time?CoolingErosionSedimentationMetamorphism30s
- Q15What is the name given to rock that contains enough valuable minerals to make it economically worthwhile to extract?BedrockOreAggregateMagma30s