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Dalgety Downs

A.8.5. Dalgety Downs. Exposed to the elements hero

Exhibition Text

Exposed to the elements

Some meteorites, such as Dalgety Downs, sit outside for thousands of years before they're discovered. Rain, wind, heating and cooling can cause weathering of the surface  —rust and cracks that eventually break a meteorite to pieces. Weathering begins as soon as moisture in the air contacts the meteorite's surface. Even slight weathering begins to destroy clues to the rock's original composition.

Collection Information

DALGETY DOWNS

Found 1941

Gascoyne District, Western Australia, Australia

L4

AMNH 4190

For Educators

Topic: Earth Science

Subtopic: Meteorites

Keywords: Meteorites, Astrophysics, Weathering, Astrogeology

Audience: General