lode mining造句
例句與造句
- In 1880, he revealed to prospectors Alaska-Juneau lode mine, in Juneau itself.
- The Alaska Empire underground lode mine recovered gold from quartz veins in metamorphic rocks.
- The Mother Lode mine was located on the east side of the ridge from Kennecott.
- Mali is one of the world's five poorest countries, despite gold lodes mined since ancient times.
- The town was famous in the 1850s for its rich placer ores, which were replaced by lode mining.
- It's difficult to find lode mining in a sentence. 用lode mining造句挺難的
- It was these deposits, namely the Yankee Lode mining claim, that the Blake brothers staked in late September 1884.
- Lode mining took capital, and investors from the east and west coasts, and even from Europe, were actively courted.
- The Atlantic Cable Quartz Lode mine was operated with varying success until about 1880, when extremely rich ore was located.
- The Funter Bay underground lode mine produced about 500 thousand tonnes of copper-nickel-cobalt ore, without gold, from a Mesozoic gabbro-norite pipe.
- After the war the field provided a good living from both alluvial and lode mining for a small number of Europeans.
- The BC Copper Company smelter began operation in 1901, servicing ore from the Mother Lode Mine and other mines in the area.
- Nothing after that neither the placer mining operations or the lode mining operations even came close to the production in the boom years.
- The landscapes of Cornwall and West Devon were radically reshaped during the 18th and 19th centuries by deep-lode mining for copper and tin.
- He bought into a fourteen-acre island with other investors off the north shore of Lake Superior at Nevada Comstock Lode mine made per day.
- Lode mines produced only $ 100, 000 in gold, while the placers of Confederate Gulch yielded this sum one hundred and fifty times over.
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