Dingo Pup Donga | which depends on its composition | greater extent of fracturing, undulatory extinction, and kink banding | Berkley et. al (1980) | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | medium | during meteor phase | S4-S6 | it fragments because smaller pieces with less mass are more easily slowed by the atmosphere | meteorite find | no chondrules | size is between 3 micrometers and 3 millimeters | during meteor phase which depends on composition | crater | strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity | reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal | recorded by eyewitness or inferred from dating methods | shock metamorphism | | may be cloudy due to glassy inclusions | partial melting residue | cooling in deep underground chambers | based on the locale, region, or nearby town in which the fall occurred | diamonds and/or lonsdaleite | Fo% 84 | sub-grain boundaries may be prominent | | can be severe due to long exposure time to environmental corrosion agents | AURE | | during impact phase | size-sorted layers | lower because the fall was not witnessed | 485755 kg | when it hits the ground which is smaller than its velocity before it enters the atmosphere | carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume | in degrees, minutes and seconds of lattitude and longitude | olivine-pigeonite about 90% by volume | often minerals not found on Earth | large if the fall was witnessed | which can over an order of magnitude greater than total mass of fragment(s) collected at the impact site | | when the meteorite was found | meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal | 1691 | directly proportional to initial velocity | power outages and failures in electrical equipment due to EMP (electromagnetic pulse) | from 20 GPa to 100 GPa | very slow | Wo% 5.0 En% 81 | euhedral, non-interlocking grains | | 0.5 in modal pyroxene/(pryroxene+olivine) | which appears as an elongated footprint which depends on impact angle, airbursts, and impact velocity | coarse-grained granular |