A rock made up of broken, angled pieces of rock that are cemented together. The glass-like outer covering of a meteorite that was left as a result of the vaporization of the object's surface as it passed through the Earth's atmosphere. The class of stoney meteorite lacking chondrules, formed by igneous processes. A common form of stoney meteorite containing spherical objects known as chondrules . B olide A term for the fireball seen when a large meteor enters the atmosphere and creates an extremely bright ball of fire and smoke trail.
M eteoriticist A scientist with a background in mineralogy and chemistry who studies meteorites.
The olivine appears as 'granules' or grains. SNC Meteorite Achondrite meteorites that have similar properties to that of Mars' rock. The abbreviation represents shergottite, nakhlite, and chassignite. Octahedral figures that appear in most iron meteorites after slicing, polishing, and acid etching. These are caused by the intergrowth of kamacite and taenite.