update 10/10/2019
Buninyong Primary School talk
Rocks:
how old is the universe 14bya
how old is the earth 4.5bya
All made of exploded stars. Iron, silicon,
core, mantle, crust, drifting plates and countries.
Gondwana 100mya
ballarat gold mines 500mya
when were the dinosaurs 200mya - 70mya
coastal 50mya
basalt plains 2mya – liquid,
Aborigines here 40k
mte, mtb 184k – steam and gas. Bits of mantle
lava shields, scoria cones, maars
Mt b and mt e fighting – legend
bluemetal, scoria, tuff.
Use of rocks – buildings, roads, cement, rail ballast, stone walls
Quarries – rail 1910, Eldridge 1950, shire 1970.
regulations of slope, bond, renovation.
(Mount Leura, Mt Shadwell)
History:
explorers 1830, squatters 1840, (gold 1852), soldier settlers, 1920, 1946.
sheep wool, dairy, sheep lamb, crops.
Problems: Fires 1944, 1977, timber cutters, rabbits, weeds, quarries.
Vegetation: sheaok, tree violet, blackwood, banksia.
Wallaby grass, spear grass, silver tussock, moss and lichen.
Web sites:
Www.mountelephant.com.au
lismore.vic.au/history/lismore-geology