Too Flat

If the rock with no fusion crust is flat or has a flat side, then it is not a meteorite

Meteorites do not have flat parts. I have been sent photos of meteorwrongs with four kinds of flatness.

  1. Layered sedimentary rocks that are flat on two sides. Meteorites are not layered.
  2. Some igneous rocks fracture along planes leaving a flat surface or two parallel flat sides.
  3. Man-made things that were sawn or forged with a flat side
  4. Man-made things that started out molten and then solidified in a confined space so that the top is flat or was poured onto a concrete or other hard floor so the bottom is flat.

All of the photos below were send to me by persons inquiring whether the objects were meteorites. Note that none of these things has a fusion crust.

A flat meteoroid shaped like these rocks would be aerodynamically unstable and not survive passage through the atmosphere with with a flat shape. It would break apart. Most of these rocks are sedimentary.
Most of these rocks are sedimentary.
Most of these rocks are sedimentary.
Some kinds of igneous rocks will fracture into pieces with flat sides. Most of these rocks are igneous.
These rocks all appear to have been sawn.
This stuff is probably all man-made. It was once molten and confined in a container. The top was flat, like soup in a kettle. Some of these pieces have flow marks indicating that the liquid was viscous before it solidified.