Geology & Climate
From the mudflats of our rivers to the basalts of the hinterland to the sandy dunes of Noosa north shore to the volcanic magic of the Glasshouse mountains, the Sunshine Coast region is defined by its geology and it is this variety in geology along with a great diversity of local climates that have provided the rich palette from which evolution has formed the mutitude of species that call the Sunshine Coast home.
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The geology of the Sunshine Coast
The “Sunshine Coast” conjures up images of golden beaches, rocky islands and green mountains of the hinterland, and we could assume that this peaceful landscape results from a stable geological framework.
Yet if we look at the outcropping rock formations, we have to accept that this has not always been the case, as they reveal a complex and often violent geological history, spanning more than 300 million years. Even in the last 800,000 years, sea levels have fluctuated dramatically, resulting in major changes to the shoreline and coastal scenery.
The oldest rocks exposed on the Sunshine Coast reveal origins dating back to the active growth of the eastern side of the Australian continent, from about 375 to 210 million years ago.
The above text is quoted from Warwick Willmott’s Rocks and Landscapes of the Sunshine Coast. This guide details the geological history and rocks of the Sunshine Coast and Gympie districts and their influence on landscapes and human activities. A major section in this publication describes where you can see typical rock formations and landscapes, and includes many maps, photographs and diagrams. It is an excellent publication in a concise format, and can be ordered from the Geological Society of Australia – Queensland Division; their publication catalogue and order form is here. You will find further details and a link to geology books in the ‘Recommended Reading’ section below.
ROCKS AND LANDSCAPES OF THE SUNSHINE COAST Warwick Willmott – ISBN:9780975789476 published by the Geological Society of Australia Incorporated, Queensland Division, GPO Box 1820 Brisbane Qld 4001 – http://www.qld.gsa.org.au/rocks.htm