Sandstone vs Arkose Characteristics Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Sandstone vs Arkose characteristics assist us to distinguish and recognize rocks.
The first such period is referred to as the Paleolithic, or Old Stone Age. The Old Stone Age began about 2 million years ago with the development of the first tools by Homo habilis and lasted until around 12,000 years ago.
The Paleolithic period (2.6 million to 10,000 years ago) refers to the âold stone ageâ when multiple species of humans were mainly nomadic hunters using primitive tools. The Neolithic or ânew stone ageâ begins around 4500B.C. and lasts to 2000 B.C.