Volcanic glass which is used to make chipped stone tools is a particularly good material to perform trace-element analysis on.Another word for Volcanic glass is

Question

Quizplus · Accepted Answer

The correct word for volcanic glass is obsidian, making option C the best choice. Option A (temper) refers to a material added to clay to improve its properties, option B (petroglyph) refers to a rock carving, and option D (mineral glass) is a term used to describe glasses made from minerals other than silica. Therefore, options A, B, and D are incorrect.

Volcanic Glass Which Is Used to Make Chipped Stone Tools