Geoscience Reference
In-Depth Information
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Lime mortar with uniformly graded sand
aggregate, showing quartz fine aggregate particles
(white) and lime binder (dark brown); PPT, ×35.
280
Lime render with well graded sand aggregate ,
showing quartz (white) and flint (light brown) fine
aggregate particles and lime binder (dark brown). Air
voids are shown yellow; PPT, ×35. (From Ingham,
2004.)
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Roman lime plaster from archaeological
excavations at Verulamium in southeast England.
Showing crushed flint (grey) and natural quartz (white)
fine aggregate particles and an unburnt chalk particle
(brown). The carbonated lime binder appears dark
brown; XPT, ×35.
282
Roman mortar from Hadrian's Wall, showing
sandstone (left), quartz (grey/white), and basalt fine
aggregate particles, and carbonated nonhydraulic lime
binder (brown); XPT, ×35.
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18th century lime render, showing crushed
fossiliferous limestone (light brown) fine aggregate and
carbonated lime binder (dark brown); XPT, ×35.
284
19th century lime render from a lighthouse,
showing fine aggregate composed chiefly of shell
fragments. The particle near the centre with radial
appearance is an echinoid spine; XPT, ×35.
