9.7 Rock Technology Flashcards
1
Q
Stone Age
A
The time beginning about two million years ago during which early humans made implements of stone
2
Q
Alloy
A
A mixture of metal with a non metal or another metal
3
Q
Flint
A
A fine grained sedimentary rock that leaves a sharp edge when broken
4
Q
Percussion flaking
A
A process in which tool stones such as flint or obsidian were struck with harder stones such as quarzite to shear large flakes that could be used to make small tools
