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Green Hill (Metcalfe)

This information has been obtained from the report: Eruption Points of the Newer Volcanic Province of Victoria by Neville Rosengren. This report was published in 1994 and was prepared for the National Trust of Australia (Victoria) and the Geological Society of Australia (Victorian Division). The review of eruption points was based on an earlier unpublished manuscript Catalogue of the post-Miocene volcanoes of Victoria compiled by O P Singleton and E B Joyce (Geology Department, University of Melbourne 1970).

Geological heritage sites, including sites of geomorphological interest and volcanic heritage sites, are under regular revision by the Geological Society of Australia, especially in the assessment of significance and value. Reference should be made to the most recent reports. See the Earth Science Heritage (external link) section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.

37 09 00S 144 26 00E (external link); 7723-1-2 (EDGECOMBE). 719849. 9 km N of Kyneton. Mactiera Land off Kyneton - Metcalfe Road.
Image: Eruption Point
Green Hill (Metcalfe)

Metcalfe.

Private land. Scattered trees, grazing, abundant outcrop at base and lava ridges near summit.

Type 4:

This is a large lava mound with interbedded scoria near the summit. There are conspicuous parallel lava ridges exposed on all slopes and broad radial lava flows surround the hill. To the north are eroded lava flows along the valleys of the Loddon and Campaspe Rivers. These flows extend 50 km north of Green Hill to the east of Bendigo and are the longest flows in the Central Highlands. Four flows are exposed along the Campaspe River near Barfold in a magnificent gorge with excellent exposures of flow boundaries and internal structures. At least some of these flows must have originated from Green Hill. K-Ar dating of basalt from lavas beside the Coliban River, also probably from Green Hill, gave an age of 4.49 (+/-) 0.07 million years.

560+ m; 90 m.

State:
This is a large feature whose significance is related to the extensive lava flows and to geological and geomorphological features at some distance from the vent. Flows from here greatly influence the topography and drainage patterns of the Loddon and Campaspe Rivers - the two major streams of the Central Highlands.

References:

Edwards, A. B. (1938). The Tertiary volcanic rocks of central Victoria.
Quarterly Journal of the Geological Society of London 94, pp. 243-320.
Ollier, C.D. (1969). Volcanoes. ANU Press, Canberra.


EP Metcalfe & Green Hills
Green Hill (Metcalfe) 7723-1-2 (EDGEDOMBE)
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