Natural Pozzolans

Natural Pozzolans are typically  produced by volcanic eruptions, consisting of high concentrations of amorphous (non-crystalline) silica and aluminum oxides, key ingredients for concrete enhancement

Geofortis has three natural pozzolan deposits in the western US and is currently developing several more.

Tooele County, UT


2,500 Acres under Geofortis Control
Proven Reserves
Fully Permitted and Operational
Volcanic Tephra (ash)
Excellent Pozzolanic Activity and ASR Mitigation​
Utah & Nevada DOT Prequalified with more states expected soon

Lassen County, California


150 Million Tons under Geofortis Control
Historically Proven Resource
Completed Locatable Mineral Determination
​​​​​​​BLM and State Permits in place
Lassenite™ - Unique Combination of Volcanic Ash and Diatomite
Extremely High Pozzolanic Activity and ASR Mitigation

Sevier County, Utah


2,200 acres under Geofortis Control
Fully Permitted Mine 
Completed Locatable Mineral Determination 
Volcanic Ash Flow 
High Pozzolanic Activity and ASR Mitigation