Our own digitally made reference card. A5 in size, the card contains relevant geological data on both sides. One side contains over 40 different sedimentary logging symbols such as ‘Breccia’, ‘cross bedding’, ‘tuff’, and so forth.. On the opposite side, a wide variety of common geological mapping symbols are printed including ‘inclined strata’, ‘faults’, ‘mineral veins’ etc. Also includes a geological time scale. The card is professionally laminated and completely waterproof to enable it can be used in the most extreme environments. Ideal for use by both student and professional geologists and earth scientists.