Search results
Results from the WOW.Com Content Network
Carbonatite (/ kɑːrˈbɒnəˌtaɪt /) is a type of intrusive or extrusive igneous rock defined by mineralogic composition consisting of greater than 50% carbonate minerals. [ 1 ] Carbonatites may be confused with marble and may require geochemical verification. Carbonatites usually occur as small plugs within zoned alkalic intrusive complexes ...
Uzbekistan, [a] officially the Republic of Uzbekistan, [b] is a doubly landlocked country located in Central Asia.It is surrounded by five countries: Kazakhstan to the north, Kyrgyzstan to the northeast, Tajikistan to the southeast, Afghanistan to the south, and Turkmenistan to the southwest, making it one of only two doubly landlocked countries on Earth, the other being Liechtenstein.
Siilinjärvi is the second largest carbonatite complex in Finland after the Sokli formation, and one of the oldest carbonatites on Earth at 2610±4 Ma. [1] The carbonatite complex consists of a roughly 16 km long steeply dipping lenticular body surrounded by granite gneiss. The maximum width of the body is 1.5 km and the surface area is 14.7 km 2.
Specimen 7.5 cm) Sovite (or sövite) is the coarse-grained variety (or facies) of carbonatite, an intrusive, igneous rock. The fine-grained variety of carbonatite is known as alvikite. [1] The two varieties are distinguished by minor and trace element compositions. [2] Sovite is often a medium-to-coarse-grained calcite rock with variable ...
The Fen Complex is a roughly circular area about three kilometres in diameter. It is located just west of the Oslo graben. Radiometric age dating on the carbonatites gave an age of 539 +/- 14 Myr. The host rocks for the intrusions are middle Proterozoic granites and gneiss and the complex was associated with the Cambrian rifting of the cratonic ...
The bilateral trade between Indonesia and Uzbekistan is in the US$10–30 million range. It was US$28.27 million in 2007 and US$13.75 million in 2008. [1] Uzbekistan export to Indonesia consists of services, electrical equipment, cotton, wool and felt. While Indonesian export to Uzbekistan includes cocoa, tea, tobacco, animal and vegetable oil ...
Free advertising-supported streaming television (FAST) is a category of streaming television services which offer traditional linear television programming ("live TV") and studio-produced movies without a paid subscription, funded exclusively by advertising akin to over-the-air or cable TV stations. Platforms following this model include Pluto ...
In Uzbekistan's paleo-rift zone, volcanic rocks and gabbro are up to 7 kilometres (23,000 ft) thick, dropping to 2 kilometres (6,600 ft) around the edges of the zone. The Karakum-Tajik microcontinent's other two zones cold high-temperature, but low-pressure metamorphic ophiolite complexes, overlain by Ordovician and Silurian flysch , tuff ...