Chatter mark, small, curved fracture found on glaciated rock surfaces.
The engravings here are outlines created on rock surfaces by pecking, hammering or scraping.
The artists made hand images by blowing or spraying paint around hands pressed against rock surfaces.
Similar processes form coatings, called manganese crusts, on the rock surfaces of seamounts.
It is characterized by small pecked designs, both figurative and nonfigurative, on rock surfaces.
Creeper, any of various small birds that hug tree trunks or rock surfaces as they move about while feeding.
When these guts of ancient stars collide with atoms on rock surfaces, they produce small amounts of certain distinctive isotopes.
Malagasy rainbow frog Scaphiophryne gottlebei A highly decorated frog that inflates itself when under threat and can climb vertical rock surfaces.
They possess stout spinelike setae that operate in conjunction with highly curved claws to provide the legs with a strong grip on rock surfaces.
Rock paintings were widespread, and, in various parts of the region, designs were incised or pecked into rock surfaces as well.
Easter Island abounds in works engraved on exposed rock surfaces, including outlines of turtles, fish, and above all the bird-headed men of the bird cult.
