CGS Notes

​CGS Notes (formerly known as DMG Notes) are typically short printer-friendly publications that contain answers to commonly asked questions about California's geology. Most of the Notes are in Adobe Portable Document Format (PDF).

• Note 8. California Non-Fuel Mineral Production - 2001 – This is a summary version of the lengthier 2001 report, which you can download from the California’s Non-Fuel Mineral Production page.
• Note 11. Benitoite: California State Gem
• Note 12. Gold: California State Mineral
• Note 13. Sabertoothed Cat: California's Official State Fossil
• Note 14. Serpentine: California State Rock
• Note 17. Generalized Geologic Map of California
• Note 24. Hints for Gold Prospectors
• Note 31. Faults and Earthquakes in California
• Note 32. How Earthquakes Are Measured
• Note 33. Hazards From Mudslides... Debris Avalanches and Debris Flows in Hillside and Wildfire Areas (web page)
• Note 36. California Geomorphic Provinces
• Note 40. Watersheds Mapping (web page)
• Note 41. General Guidelines for Reviewing Geologic Reports (web page)
• Note 45. Guidelines for Geologic Reports for Timber Harvesting Plans
• Note 48. Checklist for the Review of Engineering Geology and Seismology Reports for California Public Schools, Hospitals, and Essential Services Buildings
• Note 49. Guidelines for Evaluating the Hazard of Surface Fault Rupture
• Note 50. Factors Affecting Landslides in Forested Terrain
• Note 51. Fossils
• Note 52. Guidelines for Preparing Geologic Reports for Regional-Scale Environmental and Resource Management Planning
• Note 53. Regulatory Earthquake Hazard Zones: San Francisco Bay Area
• Note 54. Regulatory Earthquake Hazard Zones: Southern California Region
• Note 55. Tsunamis
• Note 56. Geology, Soils, and Ecology: How geology influences soil development and ecosystems in California
• Note 57. Serpentinite and Serpentine in California
• Note 58. Critical Minerals