Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula of Michigan.

Glen Canyon has a history of prospectors seeking gold dust deposited in the coarse and ... gold from the sand and gravel beds to amalgamating tables nearby the Paria River. Spencer powered his ...

Chaney Enterprises plans to use 544 of the 1,209 acres to mine for sand and gravel, using 30 acres at ... side of U.S. 17 along the Rappahannock River. The 60-acre parcel is on the other side ...

The explosive growth they helped fuel has been closing in on Pope Sand, Gravel and Mulch for some time now. The “new” location — Stratford Road near the end of city limits — has been ...

River sand, apparently a relatively innocuous ... The proportion of fine particles (e.g. sand) and coarse particles (e.g. gravel), along with the cost of mining and transport, lead the extraction ...

A new crop of factories requires roads, and that means sand. To keep up, the country is importing from Cambodia on a massive scale. When President Donald Trump launched his first trade war with ...

While fine sand (‘sanna isuka’) would be sold at ₹1,800 per metric tonne, coarse sand (dhoddu isuka) would be sold at ₹1,600 per metric tonne. Extra charges would be applied for ...

But our team’s research on the Lower Mekong river reveals that sand mining is depleting sediment stocks at an alarming pace, causing riverbeds to lower and banks to erode. However, new hi-tech ...

Tirupati: Rampant illegal sand mining is thriving across Naidupeta, Pellakuru and Ozili mandals through excessive exploitation of the Swarnamukhi river and its banks. Rules are clear on the ...

A mining company that operates a sand and gravel mine on Lower Grey Cloud Island in Cottage Grove wants to expand and shift operations into the Mississippi River – and mine the actual riverbed.

For 75 years, Ross Island Sand & Gravel mined the bottom of the Willamette River, significantly altered the habitat of the river near Ross Island. The company ceased mining there in 2001 ...