Basalt is the most common volcanic igneous rock on the Earth's crust [5]. It forms from the melting of the upper mantle and its chemistry closely resembles the upper mantle composition [6]. Basalt is generally silica poor, iron and magnesium-rich rock [7]. The Egyptian Tertiary basalt occ...
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Oceans are the most common type of landform in the world. The five oceans – the Pacific, Atlantic, Indian, Southern and Artic – account for more than 70 percent of the Earth's surface. According to the National Oceanic and Atmospheric Administration, this landform contains 97 percent of the...
is the most abundant chemical compound in the human body. A melt of which igneous composition will have the highest viscosity? a. Felsic b. Mafic c. Ultramafic d. Intermediate Select the element that is not one of the four m...
Forestry social science is failing the needs of the people who need it most Rich nations’ fixation on forests as climate offsets has resulted in the needs of those who live in or make a living from these resources being ignored. A broader view and more collaboration between disciplines is...
Climate change has been partially mitigated by an increasing net land carbon sink in the terrestrial biosphere; understanding the processes that drive this sink is thus essential for protecting, managing and projecting this important ecosystem service. I
It is considered that the diabases were formed by Emeishan mantle plume activity and the activity of Emeishan basaltic magma was spread to the northern section of Longmen Mountain and northwestern Sichuan, which had an impact on the biotic environment and hydrocarbon accumulation of this area. ...
The most comprehensive commodi Why now is the best time to invest in commodities? The commodities bull market has created many exciting investment opportunities. Investors from all over the world are exploring new ways to gain access to this market. The dynamically developing Middle East region, ...
In 2017, Shenzhen surpassed Beijing, Guangzhou and Shanghai to become the most appealing city for the Chinese public. The average age of population in Shenzhen is 32.1 years old, which makes it one of the youngest cities in the country. So what makes the city so popular, especially among ...