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Carbon dating hominids

It was characterized by large bifaces, particularly hand axes.This tool-making technology was a more complex way of making stone tools than the earlier Oldowan technology.

Archaeology - The scientific excavation and study of ancient human material remains. Benchmark - For excavation purposes, a permanent point at a known elevation that can be used to measure other elevations during excavation . Biface tools - Stone tools that have been worked on both sides or faces, meaning that flakes have been intentionally (not naturally) chipped off from both sides of the stone.Artifact - A portable object manufactured, modified, or used by humans. Years are counted back from the traditionally recognized year of Christ's birth. In antiquity, chert was one of the universally preferred materials for making stone tools (obsidian was another).Assemblage - A group of artifacts found within the same archaeological context (locus, matrix, stratum). In academic, historical, and archaeological circles, this term is now generally replaced by Before Common Era (B. Chipped stone tool - Stone tool made by striking a stone (core or preform) with another stone (hammerstone) or other hard material (such as antler).Archaeozoology - The study of animal remains, usually bones, from the past. Archaic - In archaeology, this term is often used to designate an early period in a culture's history. Boat grave - A type of burial in which a body (or cremated remains) is placed in a boat and buried in the ground. Cache (pronounced "cash") - A collection of objects that was purposefully buried.In Greece it designates the chronological period that preceded the classical period. Such a burial often symbolized the deceased's high status. Canopic vase or jar - A container or small jar used in ancient Egypt to hold the internal organs of a person who had been mummified.Alloy - A substance made by the mixture of two or more elements, at least one of which is a metal.

Alloys are often stronger and more durable than pure metals.

Alidade - An optical surveyor's instrument used in the field to create topographic maps and top plans.

Today alidades are being replaced by Total Stations.

In some instances, however, running water carries away nutrients from exposed soils and creates areas unsuitable for agriculture.

Amphora - A two-handled pottery jar with a narrow neck used by the ancient Greeks and Romans to carry liquids, especially wine and oil.

Bronze is an alloy of copper and either zinc or tin.