Professional Geological Field Guide

Comprehensive rock identification resources following standard geological field methods. Learn to identify rocks like a professional geologist using proven techniques and equipment.

🪨 Free Rock Identification App

Use our professional RockHound app to identify rocks in the field. Features standard geological tests including hardness, acid reaction, and crystal structure analysis.

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📚 Rock Database

Comprehensive database of common rock types with detailed descriptions, formation processes, and identification characteristics.

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🔬 Field Methods

Learn standard geological field techniques used by professional geologists for accurate rock identification in the field.

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Professional Geological Education

GeologyFieldGuide.com provides educational resources following academic standards used in professional geological surveys and university geology programs. Our content emphasizes hands-on field identification techniques using commonly available equipment.

Essential Field Equipment

Hand Lens (10x magnification) - For detailed mineral examination
Hardness Testing Kit - Penny (3.5), steel knife (5.5), glass (5.5)
Dilute Hydrochloric Acid - Carbonate mineral identification
Field Notebook - Record observations and sketches
Sample Bags - Proper specimen collection and labeling