Brunton Grain Size Card

Brunton Grain Size Card 

The Ultimate Field Geology Tool

The Brunton Grain Size Card is a must-have tool for geologists, field researchers, and students engaged in sedimentology and soil analysis. Designed for quick and precise sediment classification, this lightweight, waterproof, and durable card offers an essential reference for identifying grain size and shape directly in the field.

Portable and Convenient

Sized at just 6.35 x 9.33 cm with a weight of only 6 g, the Brunton Grain Size Card easily fits into a field pouch, vest, wallet, or pocket for effortless access during fieldwork. Whether you’re out in the harshest of weather conditions or handling rugged terrains, this card remains intact, providing reliable sediment classification wherever you go.

Key Features

• Waterproof and Durable: Built to endure extreme weather, this card won’t degrade from exposure to the elements.
• Double-Sided Transparency: Features both negative and positive transparent sides, simplifying the process of comparing sediment grain sizes.
• Comprehensive Classification: Offers 10 distinct grain size classifications following the phi scale, making it easy to distinguish between very coarse to very fine grains.
• Grain Shape Reference: A visual reference guide for determining grain shape to support detailed sediment analysis.
• Millimetre Ruler: Integrated edge ruler for accurate field measurements, aiding in precision analysis.

Specifications

• Dimensions: 6.35 x 9.33 x 0.2 cm (2.5” x 3.675” x 0.06”)
• Weight: 6g (0.2 oz) 

Why Choose the Brunton Grain Size Card?

Brunton is renowned for producing top-tier geology tools, and our Grain Size Card is no exception. This card is crafted from clear, rigid plastic for longevity and is perfect for both professional geologists and geology students. With clear grain size references ranging from very coarse to very fine, metric measurements, and a built-in grain shape scale, this is a field geology accessory you’ll never want to be without.

Whether you’re classifying sediments in the outback, on coastal shores, or deep in the bush, the Brunton Grain Size Cardensures accurate, on-the-go sediment analysis. Essential for sedimentologists, soil scientists, and geology enthusiasts, this card supports informed decision-making in the field with precise visual grain classification and metric tools.