MOUNT LOFTY SUMMIT

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GEOLOGY

SOUTH AUSTRALIA

The 

MOUNT LOFTY RANGES INLIERS, PALAEOPROTEROZOIC Mesoproterozoic to Palaeoproterozoic

BURRA Group

Marine shale and siltstone; deltaic sandstone; lagoonal and lacustrine stromatolitic dolomite and sedimentary magnesite. Upper part of Burra Group - Sarig 

NEOPROTEROZOIC starting in the Sturtian and ending in the Torrensian 

Stonyfell Quartzite

The Summit is comprised of the Wattle Park Member

ADELAIDE GEOSYNCLINE

The Stonyfell Quartzite is comprised of 3 Members:

.Wattle Park Member  

The Wattle Park Member is comprised of major Quartzite with feldspathic coarse-grained sandstone and shale.

.Slapes Gully Member (Not Visible At The Summit)

Within the Slapes Gully Member, Sandstone is feldspathic, calcareous and silty. Calcareous shale interbeds and thin quartzite bands are also visible in the member.

.Greenhill Member (Not Visible At The Summit)

Comprised of sandstone and quartzite. 

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REFEreNCES

Australian Government, Geoscience Australia. (n.d.). Saddleworth Formation | Australian Stratigraphic Units Database, Geoscience Australia. Last update: September 3, 2019.

South Australian Government. (n.d.). SARIG geological map. SARIG. 

GHOST RANCH
NEW MEXICO, U.S.A
TROPICAL STORM ISAIAS
MARYLAND, U.S.A
BORAH FAULT SCRAP
IDAHO, U.S.A