Silica Sands

Silica Sands

Silica Sand & Sand for Glass
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Live Monitoring: Solar Power Generation

See Live Monitoring of Solar Power Generation at Byron Mine

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Key Ingredient Supplier of Quartz Silica

Operated by several owners since the 1960s, the Byron Sand mine was acquired by G3 in 2011 as part of its broader strategy to support the wine and spirits industry. With the Byron Sand mine, our Minerals Division has become integral to major glass bottle manufacturers in Northern and Central California.

This unique geological marine deposit is more than 50 million years old and allows us to add quarry mines, wet and dry sand processing, quality control lab and truck shipping to our operation. The operation is managed in strict accordance with Federal and California mine safety and environmental regulations. At the end of the mine life, the area will be reclaimed to native grassland.

Quality Control & Safety

Quality Control & Safety

G3 is proud of its record of reliably delivering consistent, high-quality products. Our quality control program tests products to superior standards before releasing them to customers.

  • We sample in-process intermediate products and monitor particle size distribution and iron levels.
  • We test composite daily samples and issue analytical reports to customers within 24 hours.
  • Samples are tested for quartz silica purity, alumina content, iron levels and particle size distribution.

Putting Safety First

Safety is the core of mining operations. G3 has an exceptional safety record, with an excellent reputation among regulatory agencies. Agencies with regulatory oversight include:

  • Mine Safety and Health Administration (MSHA)
  • California Occupational Safety and Health Administration (Cal/OSHA)
  • Bay Area Air Quality Management District (BAAQMD)
  • California Regional Water Quality Control Board (CRWQCB)
  • Contra Costa County
Sustainability

Sustainability

Our belief is that a healthy environment is critical to a successful business. Below are the methods used to ensure we maintain a green environment.

Alternate Energy Use

  • In 2013, G3 installed a 1MW photovoltaic solar system.
  • This alternative energy system is expected to provide up to 30% of electrical operating cost and save up to 1.8 million kWh of energy every year.

Recycling Waste

  • The mine recycles 100% of processed water.
  • Water retention ponds offer a diverse habitat for native wildlife, including migratory birds.

Reducing Carbon Footprint

  • Sand ore is conveyed in water slurry pipelines from the quarry to a central processing facility, thereby eliminating truck traffic and noise.
  • G3 offers local ranchers open land on the boundary of the property for cattle grazing.
  • At the end of the mine life, the property will be restored to native grassland habitat, consistent with the regional objectives to retain open space.

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