Examples of using Basalts in English and their translations into Romanian
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In the rift basalts.
These flood basalts poured out over the landscape, covering much of southern Nova Scotia.
The first rocks brought back by Apollo 11 were basalts.
They are more rich in iron than terrestrial basalts, and also have lower viscosities.
Sections of the flood basalts have been eroded away, but still form a basaltic mountain range known as North Mountain.
The NASA geologists were intrigued to find not only basalts but rocks of another sort.
The skeleton was found near the top of a 30 m(98.5 ft) thick bedded layer of sand- andsiltstone that is over- and underlain by flood basalts.
A major difference between terrestrial and lunar basalts is the near-total absence of water in any form in the lunar basalts.
Because the first sampling of rocks contained a high content of ilmenite andother related minerals, they received the name of"high titanium" basalts.
Since many mare basalts fill low-lying impact basins, it was once assumed that the impact event itself somehow caused the volcanic eruption.
Subsequent missions, including the Soviet robotic probes, returned with basalts with even lower concentrations, now called"very low titanium" basalts.
While many of the basalts either erupted within, or flowed into, low-lying impact basins, the largest expanse of volcanic units, Oceanus Procellarum, does not correspond to any known impact basin.
Furthermore, tidal despinning is predicted to have occurred quickly(in the orderof thousands of years), whereas the majority of mare basalts erupted about one billion years later.
The Apollo 12 mission returned to Earth with basalts of lower titanium concentrations, and these were dubbed"low titanium" basalts.
The Bay of Fundy lies in a rift valley called the Fundy Basin; as the rift began to separate from mainland North America, volcanic activity occurred,forming volcanoes and flood basalts.
A special group of lunar basalts is the KREEP basalts, which are abnormally rich in potassium(K), rare earth elements(REE), and phosphorus(P).
The difference in color indicates the concentration of titanium that the rock has, with the green particles having the lowest concentrations(about 1%), and red particles having thehighest concentrations(up to 14%, much more than the basalts with the highest concentrations).
TiO2 abundances can reach up to 15wt.% for mare basalts, whereas most terrestrial basalts have abundances much less than 4 wt.%.
Lunar basalts do not contain hydrogen-bearing minerals like the amphiboles and phyllosilicates that are common in terrestrial basalts due to alteration or metamorphism.[citation needed].
The Clementine space probe returned data showing that the mare basalts have a continuum in titanium concentrations, with the highest concentration rocks being the least abundant.
Mare basalts are generally grouped into three series based ontheir major element chemistry: high-Ti basalts, low-Ti basalts, and very-low-Ti(VLT) basalts. .
While the thickness of the crust might modulate the quantity of basaltic lavas that ultimately reach the surface,crustal thickness by itself cannot be the sole factor controlling the distribution of mare basalts.[8] It is commonly suggested that there is some form of link between the synchronous rotation of the Moon about the Earth, and the mare basalts. .
These flood basalts poured out over the landscape, covering much of southern Nova Scotia. sections of the flood basalts have been eroded away, but still form a basaltic mountain range known as North Mountain.
Initial mare volcanism generally seems to have begun within 100 million years of basin formation.[7] Although these authors felt that 100 million years was sufficiently long that a correlation between impact and volcanism seemed unlikely, there are problems with this argument.[citation needed]The authors also point out that the oldest and deepest basalts in each basin are likely buried and inaccessible, leading to a sampling bias.
Application: Granite, Basalt, Sandstone, Marble Ect.
Basalt plastic(ABP) with a fiber diameter of 10-16 microns.
Substrate basalt in the aquarium.
Attention deserve: polystyrene, basalt and glass wool, polystyrene foam.
Tarzan Machinery Angola 250TPH basalt crushing and screening plant.
These are slate,marble, basalt, quartzite, onyx and malachite.