GS One‑Liners

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# Question & Answer
3026
Which type of coal has the highest carbon content and calorific value? - Anthracite.
3027
What are the four types of coal based on carbon content? - Peat, Lignite, Bituminous, and Anthracite.
3028
What is the specific type of mining used to extract petroleum and natural gas? - Drilling (or Oil/Gas Extraction).
3029
What type of mining is used for deep mineral deposits, which involves sinking vertical shafts and using tunnels? - Underground Mining (or Shaft Mining).
3030
What type of mining is used for shallow mineral deposits, where the surface overburden is removed? - Open-pit Mining (or Surface Mining).
3031
What is the process of extracting minerals from the Earth? - Mining.
3032
What is the term for minerals that contain iron? - Ferrous Minerals.
3033
Which is the heaviest, hardest, and best natural insulator non-metallic mineral? - Diamond.
3034
What is the non-metallic mineral used in the electrical and electronic industries due to its excellent insulating properties? - Mica.
3035
What are the non-metallic minerals? - Limestone, Mica, Gypsum, Coal, Petroleum, etc.
3036
What is the metallic mineral that is the primary source of copper? - Chalcopyrite.
3037
What is the term for a mineral resource whose reserves are known and currently being extracted? - Reserve.
3038
What are the two main types of mineral resources based on renewability? - Renewable and Non-renewable.
3039
What mineral is the main source of aluminum? - Bauxite.
3040
What is the most important ore of iron? - Hematite (and Magnetite).
3041
What are the main metallic minerals? - Ferrous (iron-containing) and Non-ferrous.
3042
What highly foliated metamorphic rock is characterized by parallel layers of mica? - Schist.
3043
What is the finest-grained metamorphic rock, often used for roofing and floor tiles? - Slate.
3044
What is the metamorphic rock formed from the metamorphism of Sandstone? - Quartzite.
3045
What is the metamorphic rock formed from the metamorphism of Granite? - Gneiss.
3046
What is the metamorphic rock formed from the metamorphism of Shale? - Slate.
3047
What is the metamorphic rock formed from the metamorphism of Limestone? - Marble.
3048
What is the term for metamorphism that occurs over a large area due to immense pressure and heat during mountain building? - Regional Metamorphism.
3049
What is the term for metamorphism caused primarily by intense heat from an igneous intrusion? - Contact Metamorphism.
3050
What is the term for the linear arrangement of mineral grains or crystalline surfaces in a metamorphic rock? - Foliation.