tektite उदाहरण वाक्य
उदाहरण वाक्य
- The layer contained the fused glass beads called tektites and shocked quartz grains that are unmistakable signs of a bolide impact.
- The tektite melt originated from a sand-rich surface layer that was ejected to distances up to downrange of the crater.
- Splash-form and aerodynamically shaped tektites are only differentiated on the basis of their appearance and some of their physical characteristics.
- According to one study, a portion of lunar sample 12013 has a chemistry that closely resembles javanite tektites found on Earth.
- Two strewnfields and tektite groups are associated with this impact : the black Bediasites in Texas and the green Georgiaites in Georgia.
- Chao made many pioneering studies on tektites, and discovered the occurrence of iron-nickel metal in specimens from the Philippines.
- The researchers suggest that the event that created the tektites would have caused wide burning and destruction of forests, exposing cobble outcroppings.
- Tektites were once thought by many to be obsidian produced by lunar volcanic eruptions, though few scientists now adhere to this hypothesis.
- The Ries crater impact event is believed to be the source of Moldavite tektites found in Bohemia and Moravia ( Czech Republic ).
- Also, three of the four tektite strewnfields have been linked by their age and chemical and isotopic composition to known impact craters.