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A diagram of stratigraphic relationships in an excavation.
Also known as: Stratigraphic matrix, Context diagram
A Harris matrix records which archaeological deposit lies above which, as a diagram of boxes and lines, independent of how thick or extensive any layer is. It made stratigraphy comparable between sites, which is why it became standard within a decade of its publication in 1973.
Records the sequence of archaeological deposits as a diagram of relationships, each context a box linked to those above and below it.
Contexts: Technical drawing, Maps
Represents relative position only, ignoring the thickness and extent of deposits, which is what makes sequences comparable between excavations.
Contexts: Technical drawing, Maps
Was published in 1973 and became standard practice within about a decade, replacing section drawings as the primary record of sequence.
Contexts: Technical drawing, Maps
Rectangular boxes containing numbers, connected by vertical lines into a branching diagram read from the top down.