The Allan Hills are located on the flanks of the TransAntarctic Mountains. Ice upwells onto the hills where combinations of winds and solar insolation cause the ice to quickly ablate. Left behind are meteorites that once fell over a large region of East Antarctica but have been carried by glacier motion into this small locality. Many important meteorite specimens have been found in the Allan Hills including the ALH 84001 meteorite containing unusual structures that some scientists suspected were Martian microfossils.
NOTE: White and/or blue colors used in the annotations are simply for better contrast against the background and have no other significance.