Guaranteed Analysis
The 2026 animal-feed label lists 23.50% calcium, 0.63% magnesium, 0.30% sulfur, and 4,211 ppm iron as minimum values. Confirm the current label and lot Certificate of Analysis before use.
Raw Mineral Ingredients / SB-1
SB-1 Ancient Marl
SB-1 is a mineral-rich marl sourced from ancient Lake Bonneville deposits in Utah. Technical data should be evaluated for this material and current supply lot.
Product-specific information
The categories below refer to SB-1 only. The published Lake Bonneville Marl comparison report does not identify its sample as SB-1, so its solubility values are not presented as SB-1 results.
Full Mineral Analysis
Ward Laboratories Feed Analysis, Lab ID 4641, reported August 13, 2026: as-received calcium 23.50%, magnesium 0.63%, sulfur 0.30%, and iron 4,211 ppm. These are results for the submitted SB-1 sample; request the full mineral analysis and current lot COA.
Physical Characteristics
Mineral-rich marl. Ward Laboratories measured 1.24% moisture in the submitted 2026 sample. Request particle-size, pH, and handling data for the current lot.
Source
South Bend mine area, Utah; ancient Lake Bonneville deposits.
Laboratory Testing
Ward Laboratories feed analysis, Lab ID 4641, reported August 13, 2026; Stukenholtz nutrient report #10349 (March 15, 2023). Neither is the generic Lake Bonneville Marl water-solubility comparison. Review the linked report copies and request lot-specific data.
Packaging
US one-ton super sacks or 30 lb sealed buckets in truckload quantities; confirm availability for the current order.
Commercial Uses
Evaluation as an ingredient for soil amendments, fertilizer formulations, and qualified animal-feed formulations, subject to professional review and applicable requirements.
Technical Documents
Ward feed analysis (PDF) and Stukenholtz nutrient analysis (PDF) are available. Request the current product label, Certificate of Analysis, and current-lot documentation.