The basalt found in Duluth's abandoned quarry shared properties with a sample brought to Earth on Apollo 11, so researchers ground down the basalt into the very first lunar simulant A sample of ...

The basalt shared properties with a sample brought to Earth on Apollo 11, so researchers ground down the basalt into the very first lunar simulant. A sample of Minnesota Lunar Simulant, or MLS-1, at ...

Basalt Rock Company played an important role in my life. Al Streblow, a German immigrant and scion of a well-known Napa family, had opened Basalt as a rock quarry in 1920. The original quarry was ...

BREMERTON — Colorful string-like tubes covered Ueland Tree Farm's new football-field-sized rock quarry Wednesday. Attached to explosive powder drilled into a massive chunk of basalt, the tubing led to ...