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A collection of vocabulary flashcards focused on mining, minerals, and resource concepts.
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Diminishing Returns
Each extra foot dug gives less valuable material.
Alloy
Two metals melted together to make a stronger one.
Arsenic
A poisonous element; scientists wear gloves around it.
Underground Mining
Digging deep tunnels to reach minerals.
Sulfur
A mineral that smells bad when heated.
Renewable Resource
A resource that comes back quickly (wind).
Non-renewable Resource
A resource that takes millions of years to form (coal).
Cobalt
A metal used in batteries.
Cobaltite
A mineral that contains cobalt.
Rock
A mix of many minerals.
Mineral
A pure natural substance with its own crystal shape.
Placer Deposits
Gold that gathers in riverbeds over time.
Overburden
Top layer of dirt/rock removed before mining.
Open Pit Mine
A huge hole dug from the surface.
Strategic Metals
Important metals protected for technology needs.
Gangue
Worthless rock mixed with valuable ore.
Ore
A rock with enough valuable mineral to make money.
Vein
A streak of pure mineral inside rock.
Smelting
Heating ore to separate the metal.
Independent Variable
What you change on purpose.
Dependent Variable
What you measure after the change.