Tag Archives: Chalk

Boring Chalk

For a tunneller, certain Chalk strata have undesirable characteristics, such as the presence of hard flints or sand-like phosphatic chalk. Tunnelling is expensive, but so are delays and damage to tunnel boring machines which hit unexpected geology. So engineers planning … Continue reading

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The building stones of Sussex

Like Sussex people Continue reading

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Rory’s Chalk

A finely divided lithography Continue reading

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A rainy day in Southerham Grey

Fossilin’ in the rain Continue reading

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Flint

How to make it Continue reading

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Poor Doris

Echinocoris scutata Continue reading

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Chalk talk

An alga speaks Continue reading

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