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Decomposed Gravel or D.G.

A granular stone surfacing material usually consisting of particle sizes ranging from 3/8” down to rock dust. This mixture of sizes allows for the correct blend of large particles “strength”, medium sizes “space filler”, and fines “binders”, ideally suited for stable surface once wet and compacted and work great for low traffic walkways, driveways, garden trails, or xeriscape ground cover.

Delimitation

Separation of stone layers along its bedding planes.

Dressed stone

A stone masonry unit which has been squared and shaped for precise fit with other stones. Undressed stone has naturally rough and irregular shapes.

Dry-Stack

Stonework with mortar recessed so that it is invisible.

Dry Stone Wall

A stone wall built without mortar.