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A calcium–aluminium-rich inclusion or Ca–Al-rich inclusion (CAI) is a submillimeter- to centimeter-sized light-colored calcium- and aluminium-rich inclusion found in carbonaceous chondrite meteorites. The four CAIs that have been dated using the Pb-Pb chronometer yield a weighted mean age of 4567.30 ± 0.16 Myr.
It is bordered on the north by San Miguel and Putumayo rivers and on the east and south by Peru.Oriente has an area of about 50,000 square miles (130,000 square km) and consists of little-explored and virtually unexploited tropical forest inhabited by a tiny fraction of the country's population, living mostly in small villages along the river courses.
The objectives of the COICA organization are to promote and develop mechanisms that encourage the interaction of Indigenous peoples with the member organizations of COICA, to defend the self-determination of Indigenous peoples, to respect the human rights of its members, to coordinate the actions of its members on an international level, to ...
The following inclusion types can also be found in aluminium alloys: alumina needles (Al 2 O 3), nitrides (AlN), iron oxides (FeO), manganese oxides (MnO), fluorides (Na 3 AlF 6, NaF, CaF 2, …), aluminium borides (AlB 2, AlB 12), borocarbides (Al 4 C 4 B). Bone ash (Ca 3 (PO 4) 2) sometimes added to patch cracks in the trough can be found as ...
In 2000, the province was the sole remaining majority-indigenous province of Ecuador, with 56.3% of the province either claiming indigenous identity or speaking an indigenous language. [ 3 ] This province is one of the many located in Ecuador's section of the Amazon Rainforest .
Their ancestral lands are located between the Curaray and Napo rivers, about 50 miles (80 km) south of El Coca. These homelands—approximately 120 miles (190 km) wide and 75 to 100 miles (120 to 160 km) from north to south—are threatened by oil exploration and illegal logging practices.
Teleamazonas was created from the takeover of frequencies that belonged to HCJB-TV, owned by the HCJB radio ministry, in April 1972, to Antonio Granda Centeno. Experimental color broadcasts started in November 1973 under the new owner [1] and began regular broadcasts on February 22, 1974, as the first network with color television transmissions in Ecuador, positioning itself as the third ...
The Indigenous movement in Ecuador was consolidated during the 1990 uprising when CONAIE leaders issued 16 demands, the first of which was the declaration of Ecuador as a plurinational state. The return of lands to Indigenous people and control over territory have been consistent central demands for the Indigenous movement in Ecuador. [ 5 ]