Minerals and geology
Plan of Operations submitted by Cimbar Resources for three phases of definition drilling at the Santa Rita Quarry to confirm the presence, extent (volume), and assess the grade of limestone.
Milestones: where it is in the process
- NEPA Start Date
- —
- Finding/Decision Date
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Documents · 17
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Santa Rita Quarry-IMERYS Project (55521)17 files
Analysis8 files
Comment Period4 files
Decision1 file
Objection Period2 files
Scoping Period2 files
Public comments · 3
Open the comment reading room ↗- Center For Biological Diversity
- Arizona Game & Fish Dept
- Rosemont Copper Company
Details
- Analysis
- Environmental Assessment
- Counties
- Pima
- Last updated
- 5/7/2026
- Contact
- Manuel Silva
- manuel.silva@usda.gov
- Phone
- 520-388-8327