Sierra Madera Shatter Cone

SM554

SHATTER CONE

Excellent sample of native Texas rock shocked by meteoric impact about 100 million years ago. This is a hand size specimen with shatter fractures thoughout. A true shatter cone: the lines are in a radiating cone shape on both sides.

155 x 105 x 43 mm

554 g complete

PPG: $0.72

$400.00

Categories: ,

Sierra Madera

Location:
  • USA
    • Texas
Found: 1960
Group:
  • Impactite
Type:
  • Shattercone

Age:<100 million years from present
An 14 km crater from the Cretaceous/Tertiary impact event which was first recognized from the shattercone in 1960, by Dr. Robert S. Deitz.