This book [content] is © copyright. Apart from fair dealing for
the purpose of private study, research, criticism or review, as
permitted under the Copyright Act, no part may be reproduced by
any process without written permission. Enquiries should be made
to the publisher. Records in the Rocks The Tweed is an area of
rugged terrain, large local relief and spectacular scenery. The
area is dominated by a huge erosion caldera, the Tweed Valley,
and remnants of the shield over 1000m. in altitude produced by a
large and complex volcano centred on Mt Warning. This high land
has not been cleared or developed for commercial purposes and
contains the remnants of the natural ecosystems of the Tweed
which are the setting for most of the bushwalks described in
this book. A volcano of this size has extremely complex geology
so the following description is of necessity highly generalised
and aims to give a relatively simple basis of understanding for
the interested bushwalker. Knowledge of the Rocks Some knowledge
of the