Polymict Impact Breccia | 156 Grams | Azuara Impact Structure, Spain NWA 4295 the same mineral contained in

the same mineral contained in nacre

A volcanic bomb is a type of volcanic rock that contains crystals and has been ejected during a volcanic eruption

Preliminary study indicates that the meteorite came from the west at relatively low velocity and high angle

clayey marls and light gray biohermal limestones

Polymict Impact Breccia | 156 Grams | Azuara Impact Structure, Spain NWA 4295 the same mineral contained inThe Azuara polymict impact breccia refers to the impact material from the 38 million year old twin (multiple) impact structures Azuara Rubielos de la Cerida in Northern Spain. This impact breccia was found in the area of the village of Fuendetodos near the center area of this large multiple impact structure. This is partly melted and or decarbonized limestone fragments in a dense and extremely hard matrix showing flow texture. The breccia is