hard rock
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hard rock [′härd ¦räk]

(geology)

Rock which needs drilling and blasting for removal.

hard rock

Rock, which is found during excavation, that can be removed only by pneumatic tools or explosives.

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No references found			hard space hard steel hard superconductor hard tag hard token hard tube hard water hard x-ray hard-burned brick hard-burnt hard-burnt brick hard-burnt plaster hard-coal plough hard-coded hard-coded program Hard-core Projectile hard-drawn wire hard-dry hard-face hard-finish plaster hard-fired brick hard-lac resin hard-laid hard-limiting Hard-Magnetic Materials Hard-rock hard-rock driller hard-rock mine hard-rock miner hard-rock tunnel boring hard-sectored disk hard-solder hard-sphere collision theory hard-surface hard-top hard-wire hard-wire telemetry hard-wired Hardanger Fiddle Hardanger Fjord Hardangerfjord Hardangerfjorden hardboard hardcap Hardcard Hardcastle, Kate hardcopy hardcore Hardecanute Hardee County Hardee, William J			hard-headedness Hard-hearted hard-heartedly hard-heartedness hard-hit hard-hitting Hard-labored hard-lac resin hard-laid Hard-Limited Channel hard-limiting hard-line hard-liner hard-luck stories hard-luck story Hard-Magnetic Materials Hard-mouthed hard-news hard-nosed hard-nosed hard-of-hearing hard-of-hearing hard-on hard-on hard-on hard-on Hard-Ons Hard-Ons Hard-paste porcelain hard-pressed Hard-rock hard-rock driller hard-rock mine hard-rock miner hard-rock tunnel boring hard-sectored disk hard-set hard-shell hard-shell clam hard-shell crab hard-shelled hard-skinned puffball hard-solder hard-sphere collision theory Hard-Sphere Equation of State hard-spun hard-surface hard-surfaced Hard-tail Hard-Target Kill Potential/Probability Hard-Target Smart Fuse Hard-Thermal-Loop Perturbation Theory Hard-to-Borrow List Hard-To-Count hard-to-please

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hard rock (redirected from Hard-rock)

hard rock
(redirected from Hard-rock)