Geoscience Reference
In-Depth Information
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Ceramic tile (red) used as aggregate within Roman
lime flooring concrete from archaeological excavations
at Piddington Roman Villa, England; XPT, ×35.
294
A brick dust inclusion (red) within a historic lime
mortar. Flint fine aggregate particles appear grey and the
carbonated lime binder appears light brown; XPT, ×150.
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Inclusions of charcoal (black) within 17th century
lime mortar; PPT, ×75.
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A particle of sparry calcite (light brown, centre),
probably originating as a pit crust inclusion from
Roman flooring concrete from archaeological
excavations at Verulamium in southeast England
(Ingham, 2004); XPT, ×150.
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Cattle hair (orange) within lime plaster from a
19th century building; XPT, ×150.
298
Lime mortar from the Great Wall of China
consisting wholly of carbonated nonhydraulic lime
with numerous unmixed lumps; XPT, ×35.
