单词 | normal fault |
例句 | What is the difference between a normal fault and a reverse fault, and under what circumstances would you expect these to form? Physical Geology 2015-01-01T00:00:00Z The basins and ranges referred to in the name are horsts and grabens, formed by normal fault blocks from the crustal extension, as discussed in chapter 2 and chapter 9. An Introduction to Geology 2017-01-01T00:00:00Z Like most faults in Arizona, it is a normal fault. Exchange: Arizona earthquakes reveal a state on shaky ground 2020-02-22T05:00:00Z At Powhatan High School, where social groups fall along the normal fault lines, students maintain friendships on either side of the political divide. Impeachment is difficult to teach. The case of President Trump provides real-time lessons. 2019-11-30T05:00:00Z “If we found more normal faults, we will be able to anticipate regions capable of generating large tsunamis,” Bécel says. Mega-Tsunami Could Be Triggered by an Alaska Quake 2017-08-10T04:00:00Z If the fault develops in a situation of extension, then it will be a normal fault, because the extension allows the hanging wall to slide down relative to the footwall in response to gravity. Physical Geology 2015-01-01T00:00:00Z As it stretches, it becomes thinner and develops deep cracks called extension or normal faults. An Introduction to Geology 2017-01-01T00:00:00Z The mouth of the canyon is at the Grand Wash Cliffs, which were formed by down-to-the-west movement on the Grand Wash normal fault starting ~17 Ma. [Technical Comment] Comment on “Apatite 4He/3He and (U-Th)/He Evidence for an Ancient Grand Canyon” 2013-04-18T15:55:22.193Z Previously such faults were thought to generate only about 3 percent of such tsunamis, as opposed to normal faults in which one block drops downward. For Tsunamis, a New Tectonic Suspect 2010-10-12T14:02:00Z “This normal fault is like a big clue telling you there is something bigger going on in the trench,” says Robert Witter, a geologist at the U.S. Mega-Tsunami Could Be Triggered by an Alaska Quake 2017-08-10T04:00:00Z Lay and his team built a model in which the normal fault earthquake happened first, triggering the hidden thrust-fault quake, Lay says. Tsunami Triggered By One-Two Punch 2010-08-19T15:43:00Z Examples of normal faults in Utah are the Wasatch Fault, the Hurricane Fault, and other faults bounding the valleys in the Basin and Range province. An Introduction to Geology 2017-01-01T00:00:00Z In the British system the normal faults of the lawyer are enhanced, and his predominance intensified, by certain peculiarities of our system. What is Coming? This process of automatically re-booting from scratch is known as the "normal fault recovery routine." The Hacker Crackdown, law and disorder on the electronic frontier A normal fault with a hade of 15 degrees, the original fault scarp remaining. The Elements of Geology Such decreasing dips happen when large amounts of extension occur along very low-angle normal faults, known as detachment faults. An Introduction to Geology 2017-01-01T00:00:00Z Where occurring together, horsts and grabens create a symmetrical pattern of valleys surrounded by normal faults on both sides and mountains. An Introduction to Geology 2017-01-01T00:00:00Z The normal faults of the Basin and Range, produced by tension in the crust, appear to become detachment faults at greater depths. An Introduction to Geology 2017-01-01T00:00:00Z Tensional stresses create transtensional features with normal faults and basins, such as the Salton Sea in California. An Introduction to Geology 2017-01-01T00:00:00Z Draw a diagram of the block in Figure 195 as it would appear if dislocated along the plane efg by a normal fault whose throw equals one fourth the height of the block. The Elements of Geology A normal fault with a hade of 50 degrees, the original fault scarp worn away, showing cliffs caused by harder strata on the downthrow side. The Elements of Geology In the Basin and Range Province, the dip of a normal fault tends to decrease with depth, i.e., the fault angle becomes shallower and more horizontal as it goes deeper. An Introduction to Geology 2017-01-01T00:00:00Z Faults are of two kinds,—normal faults and thrust faults. The Elements of Geology |
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