chondrule

Examples

• All

• If you want a meteorite with chondrules, seek out certain types of stony chondrites.

  Academic text (2001)

• Take your time, look for fresh black fusion crust, and remember that type 3 has the most pristine chondrules.

  Academic text (2001)

• Type 6 may still show chondrules, but they are far fewer in number and less well preserved.

  Academic text (2001)

• If you want a meteorite with chondrules, Types 3 and 4 are the most desirable.

  Academic text (2001)

• These smaller objects did not contain enough radioactive elements to generate much heat, so their chondrules remained intact.

  Academic text (2001)

• Specimens are grouped to show the effects of increasing thermal alteration and shock, as well as variations in chondrule size and type.

  Blog text (20)

• The chondrules surrounded a mixture of ices, which also mortared them together.

  Fiction book (2001)

• Dating of the chondrules, based primarily on the radioactive uranium they contain, has identified chondrites as old as 4.6 billion years, far older than any other rocks on Earth or the Moon.

  Academic text (2003)

• Scientists are still debating the origin of chondrules—seed-sized droplets that are embedded inside certain stony meteorites.

  Academic text (2001)

• Researchers discovered a tiny chondrule preserved in a stony meteorite that formed billions of years ago.

Synonyms

N

nodule

vschondrule

• Specialized

1 7.7

A small round lump of mineral that forms in rock or mud

is a silicate granule formed in space by rapid cooling of molten droplets

Surface Forms

Morphology

Etymology