Sten, mineral & fossil

How can the tracks of dinosaurs best be interpreted and used to reconstruct them? In many Mesozoic sedimentary rock formations, fossilized footprints of bipedal, three-toed …

Partez a la decouverte du diamant avec ce Grand Article Universalis !Connu en Inde des la fin du IIe millenaire avant J.-C., le diamant est le plus dur des materiaux connus. Cette …

Die Ausgabe Nr. 3 des "Geologischen Wanderführers Mangfallgebirge" führt uns auf den mit 1986 m höchsten Gipfel des Mangfallgebirges, das Hintere Sonnwendjoch. Im Zuge der …

Gold Panning Colorado is the premiere reference source for anyone who is interested in getting started or continuing their gold prospecting in Colorado. Containing accurate, …

A balanced text that bridges the gap between introductory petrography-oriented texts and the more advanced texts that have a thermodynamic and/or chemical approach. Well-indexed, …

A complete guide and source-book brimming with advice on collecting and preparing gems and minerals.

"e;Fossils are the fragments from which, piece by laborious piece, the great mosaic of the history of life has been constructed. Here and there, we can supplement these meager …

This is the story of a single pebble. It is just a normal pebble, as you might pick up on holiday - on a beach in Wales, say. Its history, though, carries us into abyssal depths of …

Extrait : "Depuis le jour où l''homme a , pour la première fois, soulevé l''épiderme terrestre pour y creuser des sillons et pour y tracer des chemins ; depuis l''époque où il a su …

A handy guide identifying over 170 types of the world's gemstones with beautiful colour photography taken from the Smithsonian Institution's archives.'Gem Gemstones' is an …