Images For other uses of Supergirl, see Supergirl (disambiguation). Impactite outcrops located on the Baydarata Gulf shore north-east of the crater imply that the original size of the crater, now greatly eroded, was 120 km in diameter. Even though the question of the correct age appears to be solved, there are still significant matters to be de-bated, the most important of which is the size of the structure. From between 1 and 10 million years ago, and with a diameter of 5 km or more. Chicxulub Crater. Kolesnikov et al. Heavily eroded, it is presently 65 kilometres (40 mi) in diameter, though it is thought to be originally 120 kilometres (75 mi) before erosion. Its age is estimated to be 70.3 ± 2.2 million years old (Late Cretaceous). The fission track study shows that the age of the Kara structure should be in the interval of 62.4-70.6 Ma with the probability of .95 or in the interval of 61-72 Ha with the probability of .99. Between the two shores of the Yellow River delta, on the edge of the Kara Korum desert, lays a village built on naked rock. This interval is compatible with biostratigraphical const- raints and shows that the age difference between the Kara and the K/T events, if it exists, is less than 8 ry. Science Magazine, 2018. Votre aide est la bienvenue !. New evidence implicates one of Earth's biggest impact craters, the Popigai crater in Russia, in a mass extinction that occurred 33.7 million years ago. Kara is a meteor crater in the Yugorsky Peninsula, Nenetsia, Russia. — 38°57'N, 73°24'E; rim diameter: 45 kilometers (28 miles); age: <10 million years The spectacular Kara-Kul structure is readily apparent in this image. The It reans that the Kara crater age should be in the range of 60.5-71.4 Ma at a probability of 99-91. Hydrogen iso topic measurements by Nazarov et al. Researchers think the 40-mile-wide (65 km) crater was once more than 75 miles (120 km) in … Kara Impactite Suevite Part Slice weighing 3.02g Kara Basic information Name: Kara This is a recognized impact crater name. [6] show that the impact occurred on dry land and the authors concluded a maximum age of 69-70 Ma, the time of the end of the last regression within the crater's region before the end of the Cretaceous. mountain lake, c.140 sq mi , Gorno-Badakhshan, E Tajikistan, in the Pamir, near the Chinese border. Kara is a meteor crater in the Yugorsky Peninsula, Nenetsia, Russia. That's what I stand for.Supergirl to Red Daughter Kara Danvers (born 1966[1] as Kara Zor-El) is the daughter of Zor-El and Alura. Rather than the simple bowl shape we often associate with craters, Acraman has a complicated surface with variations in elevation. Basilevsky, A. T., Fel'dman, V. I., Geochemistry of the impactites from the Yanis'Yarvi, Kara, and El'gygytgyn craters (in Russian). The radiocarbon record was corrected for past cosmic ray rates (Reimer et al. For the Supergirl episode, see "Girl of Steel". Kara crater is a 70.3-million-year-old eroded crater exposed in Russia's Yugorsky Peninsula. 39Ar-age of 70.3 ± 2.2 Ma [7] (the correct age being most likely between 68 and 70 Ma [8]) seems to have settled that matter. Acraman is a complex crater. The diameter of the Kara crater is generally It was formerly believed that these two sites were two separate craters and that they formed a twin impact structure from the Late Cretaceous.However, it seems that the Ust-Kara site does not exist as a separate site. obtained age values that leads to a value of 66.50+/-2.08 (1 signa) Ha which is a best fission track estimate of the crater age. The Kara crater size: Suevite layer outside the crater depression, Lunar and Planetary Science XXXIII, abstract #1480. Looking for Kara-Kul crater? Precise Ar-Ar ages of Kara show that it is most probably too old to be associated with the K/T boundary, and it is also situated on the wrong side of the Earth, as it was inferred (see above) that the We conclude an age of 69—71 Ma for the Kara impact structure. The Kara crater lies in the southeastern end of the Yugorsky Peninsula, while the Ust-Kara site lies offshore, 15 kilometres (9.3 mi) east of the small Kara or Karskaya Guba inlet. Diecussion. Kara is a meteor crater in the Yugorsky Peninsula, Nenetsia, Russia. It is 65 km in diameter and the age is estimated to be 70.3 ± 2.2 million years old (Upper Cretaceous). Kara-Kul Crater: high altitude crater. This new impact age invalidates a proposed link of the Kara structure with the WT boundary event. The age of 70.3 5 2.2 Ma overlaps with the fission track age of 66.5 f 4.2 Ma ( 2 4 (Kashkarov et al., 1992) and is considered as the true age of the Kara impact structure. Some have claimed that the impact structure actually consists of two adjacent craters: the Kara and the Ust-Kara crater. It left a 180-km-diameter crater in the Yucatan Peninsula, in which the rocks have chemical and isotopic compositions similar to those of tektites found in the K-Pg boundary, which is why the age of the crater points do the K-Pg boundary age. Kara (kráter) Cratère de Kara Карский кратер Krater Kara Karakrater Карський кратер Kara crater Kara is a meteor crater in the Yugorsky Peninsula, Nenetsia, Russia. Cet article est une liste de cratères d'impact sur Terre If uncertainties regarding its age are resolved, then the largest in the last 10 million years would be the 52-kilometre (32 mi) Karakul crater which is listed in EID with an age of less than 5 Ma, or the Pliocene. It lies in the northeast corner of Kara Korum, and yet the Crater is the fulcrum, the center to all m two shores of the Yellow River delta, on the edge of the Kara Korum desert, lays a village built on naked rock. Find out information about Kara-Kul crater. 1. Asteroid impact date: Estimated 65 million years ago. Cette liste est incomplète ou mal ordonnée. Partly filled by the 25-kilometer (16-mile) diameter Kara-Kul Lake, it is located at 3,900 meters (12,900 feet) above sea level in the Pamir Mountain Range near the Afghan border. 8. The Barringer crater age was measured by 36 Cl dating which incorrectly assumes that the cosmic ray rate is constant. It is 65 km in diameter and the age is estimated to be 70.3 ± 2.2 million years old (Upper Cretaceous). [1] Heavily eroded, it is presently 65 kilometres (40 mi) in diameter, though it is thought to … Kara is a meteor crater in the Yugorsky Peninsula, Nenetsia, Russia. It lies in the northeast corner of Kara Korum, and yet the Crater is the fulcrum, the center to all mystery: the recent surge of magic, Yag-kosha, the Corrupted, the Mandate, the Emperor’s dark secret. Other proposed impact locations, such as near Kara Crater, which was suggested by Russian scientists to be of K/T age, have not been confirmed. Geological studies have found that, over time, Acraman’s surface eroded several kilometers below the original crater floor. [2] You can see this in Fig. Kara+Korum+is+also+full+of+really,+really+good+mimes. [1] Originally 120 km in diameter, it is now just 65 km after erosion and the age is estimated to be 70.3 ± 2.2 million years old (Upper Cretaceous).Impactite outcrops located on the Baydarata Gulf shore north-east of the crater imply that the original size of the crater is the 4th largest on earth [2]. Observed fall: No Age: 70.3 ± … 2002. Heavily eroded, it is presently 65 kilometres (40 mi) in diameter, though it is thought to be originally 120 kilometres (75 mi) before erosion. determined a K-Ar isochron of 65.6 +/- 0.5 Ma, indistinguishable from the age of the K-T boundary and interpreted this as confirmation of earlier proposals that the Kara bolide would have been at least one of the K-T impactors. “I’d unequivocally predict that this crater is the same age as the Younger Dryas,” says James Kennett, a marine geologist at the University of California, Santa Barbara, one of the idea’s original boosters. Location: Yucatán, Mexico The Crater is a wound, and it leaks corruption like a scabbed river of pus that permeates the … Hope, help, and compassion for all. The age of the crater is estimated to be 99 million years old. Kara-Kul Crater. Specs: Now greatly eroded, the Kara crater is a non-exposed impact structure in Russia. Kara is a meteor crater in the Yugorsky Peninsula, Nenetsia, Russia. Credit: NASA 9. There is little doubt that this is an impact crater, a fairly big one. One candidate is the Kara Crater in northern Siberia. Our data are This crater was … The Kara crater is located on land and has a pre-erosion diameter of about 65 km, whereas the Ust-Kara crater is mostly submarine and has only limited onshore exposure. PDF | On Mar 1, 1992, M. A. Nazarov and others published The Kara Structure as a Possible K/T Impact Site | Find, read and cite all the research you need on ResearchGate
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