At Goliad the uranium ore is located just 400 feet deep within the same rock as a groundwater reservoir that ranchers tap for drinking water, both for themselves and their livestock.
Eventually, though, the drill will go deep enough to push rock powder into the drill's sample-gathering chamber.
The 76-year-old had been immortalised by rock group Deep Purple as "Funky Claude" in the song Smoke on the Water.
An hour and a half later the group reaches "the dome, " a 60-foot-high semicylinder of rock, one half of the face a deep blue manganese, the other bridal-white calcite.
The carbon dioxide, injected deep into the reservoir, basically scours the oil out of the rock and pushes it upward where it can flow into a well.
After driving from Iowa, the first 10 feet of the bus were covered an inch deep in rock salt.
Fracking involves injecting water, sand and some chemicals deep into the earth to crack shale rock, which frees oil and gas.
Scientists have found creatures thriving in places that would poison or cook most life on earth--deep inside rock, under the ocean or in hot springs, places that are extremely salty, or acidic, or bathed in radiation or heavy metals.
On Earth, sea-floor spreading is fuelled by molten rock upwelling from deep inside the Earth.
Jon Lord, the former keyboard player with heavy rock band Deep Purple, has died aged 71.
Rock veterans Deep Purple and The Eagles also made the album chart.
When the ocean plates sink deep enough, portions are melted by the intense heat generated within the mantle, turning the solid rock into molten magma.
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At the same time Yury Boiko, the Ukrainian energy minister, has high hopes that shale gas -- formed deep underground within large shale rock formations -- could also be a major alternative source of power in the decades to come.
With EGS, holes are drilled deep into hot rock and water is injected into the cracks.
While shale efforts have been kicking around for decades in the United States, recent years have seen new studies and discoveries transform the energy landscape, reversing entire infrastructures as study after study hint at the enormous, world changing potential set in shale rock, deep below our feet.
Mr. President, please stop expressing "deep concerns" and give us the meddling, the resolve and the rock-'em, sock-'em speech this hour in Iran demands.
Finally, the granite giant was laid to rest hovering over a 456ft-long, 15ft deep walkway at the museum, where visitors can walk beneath the massive rock to admire its immensity against the sky.
At 277 miles long and more than a mile deep, its intricate formations are matched only by the stunning striation of the rock, and by the knowledge that the entire thing was carved out by the Colorado River on a 5-million-year mission.
Natural gas production has boomed in many states over the past few years as advances in drilling opened up vast reserves buried in deep shale rock.
The energy firm said it would continue to store waste on site until a deep geological disposal facility was made available - similar to the storages created in underground rock caverns in Finland.
Whatever his political values, Dmitry Medvedev has Western tastes, being a fan of rock groups like Pink Floyd and Deep Purple, which played at the Kremlin in February 2008 to mark the 15th anniversary of the founding of Gazprom.
After negotiating their way down a series of steps carved into the steep rock face, explorers of the Blue Lake Grotto are faced with a deceptively deep pool of limpid blue-green water.
At the Darata gold mine, a group of men gather around several deep dark pits, waiting for their colleagues who are several dozen feet under the ground hacking away at the rock.
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