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 Stone Age lasted roughly 3.4 million years. The Palaeolithic age, the oldest and longest of the stone ages, began roughly 2.6 million years ago, 2 million BC to 12,000BC. The Mesolithic Age (middles) began and lasted between 12,000 BC and 10,000 BC and the Neolithic (new)began during 10,000 BC and ended in 5,000BC.he Palaeolithic age, the oldest and longest of the stone ages, began roughly 2.6 million years ago, 2 million BC to 12,000BC. The Mesolithic Age (middles) began and lasted between 12,000 BC and 10,000 BC and the Neolithic (new)began during 10,000 BC and ended in 5,000BC.