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Orbicular jasper from Madagascar. Orbicular jasper is a variety of jasper which contains variably-colored orbs or spherical inclusions or zones. In highly silicified rhyolite or tuff, quartz and feldspar crystallize in radial aggregates of needle-like crystals which provide the basis or seed for the orbicular structure seen in this kind of jasper. [1]
Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, [1] [2] is an opaque, [3] impure variety of silica, usually ...
Adansonia is a genus made up of eight species of medium-to-large deciduous trees known as baobabs (/ ˈ b aʊ b æ b / or / ˈ b eɪ oʊ b æ b /) or adansonias. They are placed in the family Malvaceae, subfamily Bombacoideae. They are native to Madagascar, mainland Africa, and Australia. [2] The trees have also been introduced to other regions ...
TORONTO (Reuters) -A 24-year-old firefighter was killed by a falling tree while battling a forest blaze northeast of Jasper in the Western Canadian province of Alberta on Saturday, the police said ...
The Big Tree grows roughly 2 km from the Zambezi River, Victoria Falls, and the island where Livingstone made landfall in a mokoro dugout canoe and wrote his records. This tree is possibly the oldest and biggest baobab in the world. [6] Some similar trees were lost by the flooding further downstream that occurred when Kariba Dam was finished in ...
Gregory's Tree, in the Gregory's Tree Historical Reserve at Timber Creek, NT, is an Aboriginal sacred site and a registered Australian heritage site. The boab tree marks the site of a camp of the explorer Augustus Charles Gregory , and is inscribed with the dates of his party's arrival and departure, from October 1855 to July 1856.
It would take 18–20 people to encircle the tree with open hands. To view the tree, there is an entrance fee of R 50 per adult and R 25 per child. This became the stoutest tree in South Africa after two other large baobabs, the Glencoe and Sunland Baobabs, collapsed in 2009 and 2016 respectively. The Sagole Baobab has the largest size and ...
Michael W. Taylor (born 25 April 1966) is an American forester who is notable for being a leading discoverer of champion and tallest trees - most notably coast redwoods. In 2006, Taylor co-discovered the tallest known tree in the world, a coast redwood (Sequoia sempervirens) now named "Hyperion". He also discovered "Helios" and "Icarus", the ...