Laguna del Maule (volcano) about fourteen shield volcanoes and stratovolcanoes that have been degraded by glaciation. The Laguna del Maule volcanic field covers a surface area of and contains cones, lava domes, lava flows, and shield volcanoes. There are 130 volcanic vents at Laguna del Maule. The lake is surrounded by 36 silicic coulees and lava domes. Over of the field is covered by these rocks, and volcanic ash and pumice produced by the eruptions has been found in Argentina. Presently some summits around Laguna del Maule reach altitudes of . The volcanic field lies at an average height of . Among the various
Coal in Australia the Garnaut Climate Change Review, placed a price on carbon emissions through a reducing cap and trade emissions trading scheme and incentivised against carbon pollution temporarily, before it was revoked from 1 July 2014 onwards. Australian coal is either high-quality bituminous coal (black coal) or lower-quality lignite (brown coal). Bituminous coal is mined in Queensland and New South Wales, and is used for both domestic power generation and for export. It is mined underground or open-cut before being transported by rail to power stations or export shipping terminals. Bituminous coal was also once transported to other Australian states for power