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The balangay was the first wooden marine vessel ever excavated in Southeast Asia. It is also known as the Butuan boat, as nine specimens of these boats, dating back to pre-Hispanic times (the earliest being in 320 CE), were discovered in 1976, Butuan, Mindanao. It is believed that the Austronesians migrated to the Philippine archipelago, riding ...
The Canatuan mine was a gold/silver, copper/zinc open-pit mine located in the province of Zamboanga del Norte on the southern island of Mindanao, Philippines.The mine was operated from 2004 to January 2014 by TVI Resource Development (Phils) Inc., a former subsidiary of Canadian-based TVI Pacific Inc.
Edgardo Dizon Gomez, ONS (November 7, 1938 – December 1, 2019) [1] was a Filipino biologist who was conferred the rank of National Scientist of the Philippines in 2014. [2] [3] He was a professor emeritus for marine biology at the University of the Philippines Marine Science Institute.
Zinc is refined by froth flotation of the ore, roasting, and final extraction using electricity (electrowinning). Zinc is an essential trace element for humans, [8] [9] [10] animals, [11] plants [12] and for microorganisms [13] and is necessary for prenatal and postnatal development. [14]
The arrival of the first Homo species to the early Chibanian. [1] 400,000 People belonging to the species Homo erectus set foot on the Philippines. 250,000 Human habitation is said to be began. [2] [clarification needed] 55,000 The first Homo sapiens in the Philippines. [citation needed] 50,000 Early humans made stone tools in the Tabon Caves ...
The chemical elements were discovered in identified minerals and with the help of the identified elements the mineral crystal structure could be described. One milestone was the discovery of the geometrical law of crystallization by René Just Haüy , a further development of the work by Nicolas Steno and Jean-Baptiste L. Romé de l'Isle (the ...
The real Francisco A. Quisumbing was born in 1893 and received his B. Agr. in 1914 and his M. S. in 1918, both from the University of the Philippines. He was a Fellow of the University of the Philippines at Columbia University in New York from 1918 to 1921, receiving his Ph.D. from Columbia in 1921. He returned to the Philippines to teach as ...
The Rizal Archaeological Site pushed back the first known human activity in the Philippines 10 times earlier. Prior to the excavation, the oldest fossil discovered in the country was the foot bone found in 2010 in Callao Cave, Cagayan Valley. The bone was dated at least 67,000 years old. [3]