£23.50 ex VAT
The pocket-sized sand gauge reference card provides instant grain size determination. This waterproof card has actual sand grains embedded, along with a roundness chart and bed thickness classifications, making it the perfect field gauge.
Sand Gauge Reference Card is convenient and durable tool. Essential for geologists, students, and professionals who need a quick and consistent way to determine grain sizes. This indispensable reference card is proudly manufactured by W.F. McCollough.
This flexible, waterproof plastic card features actual sand grains embedded directly onto its surface, allowing for instant and precise sizing and roundness classification. More than just a simple gauge, it’s an all-in-one geological aid.
Packed with essential information, this comprehensive reference tool includes a grain size chart from silt to very coarse sand, a roundness chart, bed thickness classification, a field checklist, a geologic time scale, (as per the USGS). Plus two carbonate classification charts.
The sand gauge reference card is printed on a waterproof, plastic card. Enabling use in all weather conditions. Measuring only 63.5 x 88.9 mm (2.5 x 3.5 inch) in size and has a nylon cord for securing to your field jacket, rucksack or wrist to prevent loss.