Tacita Dean, ‘The Roaring Forties: Seven Boards in Seven Days’ 1997
Tacita Dean
The Roaring Forties: Seven Boards in Seven Days 1997
Tate
© Tacita Dean, courtesy Frith Street Gallery, London and Marian Goodman Gallery, New York/Paris

Chalk is an inorganic material composed of calcium carbonate. It is naturally occurring, but has also been produced industrially throughout the twentieth century.