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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 red, yellow, brown or green in color; and rarely blue. The common red color is due to iron(III) inclusions. Jasper breaks with a smooth surface and is used for ornamentation or as ...
Indonesia's climate is almost entirely tropical, dominated by the tropical rainforest climate found in every major island of Indonesia, followed by the tropical monsoon climate that predominantly lies along Java's coastal north, Sulawesi's coastal south and east, and Bali, and finally the tropical savanna climate, found in isolated locations of ...
Tasikmalaya Regency is one of Indonesia's foremost tourist destinations. [20] It has a number of accessible tourist attractions, even though many are located deep in the rural area of the regency. In the southern area, where the regency borders the Indian Ocean, tourist destinations are primarily along the coastline of the regency, which ...
Severe Tropical Cyclone Jasper was the wettest tropical cyclone in Australian history, surpassing Peter of 1979. [2] The third disturbance of the 2023–24 South Pacific cyclone season and the first named storm and severe tropical cyclone of the 2023–24 Australian region cyclone season, Jasper was first noted as an area of low pressure located in the South Pacific Ocean, which was initially ...
Area covered by the Indo-Pacific biogeographic region Indo-Pacific. The green circle covers ASEAN.. The Indo-Pacific is a vast biogeographic region of Earth.In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the seas connecting the two.
Beaches in Indonesia are extensive, characterized by coral reefs, deposits from volcanoes, rich marine biodiversity, strong ocean currents, and associated with diverse cultural traditions. With around 17,500 islands , [ 1 ] Indonesia has an intricate coastline of over 80,000 km (50,000 mi), [ 2 ] the fourth longest in the world.
Lake Jasper is a rural locality of the Shire of Nannup in the South West region of Western Australia. Central within the locality lies the lake of the same name while, in the south, it borders the Southern Ocean. A large part of the locality is taken up by the D'Entrecasteaux National Park; its south-eastern border runs along the Donnelly River.