Physics with trees, Period 1, 05 Nov '08
"Hard hats, everyone, please," said Mohinder, handing out the light-bearing safety hats when class had gathered on the side of the Danger Shop created hillside.
"Mining underground," he said, once the narrow passageway opened into a vaulted gallery. "Usually undertaken when surface available deposits are exhausted. Excavated following a mineral seam and hoping the extracted ore is worth the costs."
Mohinder covered a number of mining techniques before seeing daylight. The mine had come out not far from a stream, and Mohinder stopped. "But before that, you have to know where to start digging. For gold, if it's close to the surface, it can be found by metal detectors, or panned out of a local water source."
And nobody was going to think otherwise, but, "Do try to remember how real is anything you find," Mohinder added.
[And OCD is up!]
"Mining underground," he said, once the narrow passageway opened into a vaulted gallery. "Usually undertaken when surface available deposits are exhausted. Excavated following a mineral seam and hoping the extracted ore is worth the costs."
Mohinder covered a number of mining techniques before seeing daylight. The mine had come out not far from a stream, and Mohinder stopped. "But before that, you have to know where to start digging. For gold, if it's close to the surface, it can be found by metal detectors, or panned out of a local water source."
And nobody was going to think otherwise, but, "Do try to remember how real is anything you find," Mohinder added.
[And OCD is up!]