WESTERN REGION

Basic Source Information

Fresh Crush
Granitic source available in grits-to-dust and stone flour gradations. "Granite meal" is a favorite of traditional fruit and potato growers in New England. High paramagnetic response. Excellent spread of macro and micro elements. Notable potassium. Grits-to-dust gradation available in loose bulk and totes 22.T minimum. Stone flour available in 1 T totes LTL and  FTL. Gray.

Analysis
San Joaquin
A Meta-Basalt of unique mineralogy and geochemistry. Beautiful stone fines gradation for direct to ground, and soil blends. High Silica, notable traces Cu, Zn. Full truckloads at affordable delivered  prices regionally in loose bulk. Light blue-green. 
Golden State
A unique volcanic geology with an amazing spread of macro and micro elemental materials. Ca, Fe, Mg, Mn, Si, Zn, Cr, Co, B.  This is one of the BEST regional rock sources we have found in the continental US. Wine growers take note! Available in stone fines grits-to-dust in loose bulk and stone flour in totes. Full truckload minimums. Paramagnetic. Dark tan/green.
Vintage
Igneous Basalt. The gold standard of rock dusts for remineralization. We are pleased to offer this primary magma on the west coast. Macro and micro elements in good proprtion. Low metals, high magnetic response. A BEST rock dust by definition. Stone fines loose bulk and stone flour totes available. Full truckload minimums. Dark green.
Note to California Growers: Rock Dust Local makes no claims regarding the suitability or marketability of these commodity rock dusts for use in agriculture within the State of California. We provide certified geochemical analysis as "typical" rather than guaranteed. Rock Dust Local provides information about these materials for informational use only. No formal recommendations are implied.  These materials fall within the definition of "rock dust", a National Organic Program accepted material, OMRI generic list. No further claims are made.