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Scientists uncover the largest known crater on Earth from the last 100,000 years

Still Waters

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A crescent-shaped crater in Northeast China holds the record as the largest impact crater on Earth that formed in the last 100,000 years.

Prior to 2020, the only other impact crater ever discovered in China was found in Xiuyan county of the coastal province of Liaoning, according to a statement from the NASA Earth Observatory.

Then, in July 2021, scientists confirmed that a geological structure in the Lesser Xing'an mountain range had formed as a result of a space rock striking Earth. The team published a description of the newfound impact crater that month in the journal Meteoritics and Planetary Science.

The Yilan crater measures about 1.15 miles (1.85 kilometers) across and likely formed about 46,000 to 53,000 years ago, based on radiocarbon dating of charcoal and organic lake sediments from the site, the NASA statement says.



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  • The title was changed to Scientists uncover the largest known crater on Earth from the last 100,000 years
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I wonder if, compared with the Tunguska air burster, the blast of impact was sufficient to push atmospheric gases into the ionosphere, creating something akin to an ozone hole, which then sank back down….


It might have been worth investigating if direct solar radiation could prevent precipitation in an area for long enough for the climate to avoid the area in question due to eletrical charge in the ground…. Until I mentioned it myself that is…..

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Remember that this is just the biggest crater formed in the last 100,000 years not the biggest crater ever.  Remember that the Gulf of Mexico is what remains of the Chicxulub impact crater that formed after the impact that killed off the dinosaurs.

Edited by Alchopwn
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On 8/15/2022 at 10:49 AM, Alchopwn said:

Remember that the Gulf of Mexico is what remains of the Chicxulub impact crater

No, that is not true. The crater destroyed the northern part of Yucatan, but didn't create the Gulf of Mexico.

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The Tunguska event (occasionally also called the Tunguska incident) was a ~12 megaton[2]explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, 1908.[1][3] The explosion over the sparsely populated Eastern Siberian Taiga flattened an estimated 80 million trees over an area of 2,150 km2 (830 sq mi) of forest.

This is the site of Tunguska’s air burster:


Can just imagine Flatiron hills…

Anyways, there was a core sample taken at the crater;

core was drilled to explore the structure and to

collect subsurface samples for our study. The

geographic coordinates of the borehole are 46°22054″N

and 129°18057″E, which is 400 m to the southeast of the

structure’s center. The borehole penetrated through the

crater fill (the lacustrine deposits in the upper part and

the brecciated granite unit in the lower part) into

granite basement and reached a final depth of 438 m.

The initial borehole diameter is 325 mm, and the final

hole diameter is 110 mm. The drilling started in May

2020 and ended in August 2020. The cores are now

preserved at the Guangzhou Institute of Geochemistry,

Chinese Academy of Sciences.

Granite clasts, granite melt clasts, and large

fragments of granite from drill cores were used to

explore the possible presence of shock metamorphic

features. A total of 120 thin sections were prepared

from the samples, 85 of which were made from granite

clasts (ranging from 0.05 to 3 mm in size) from 218 to

237 m depth, thin sections from granite melt clasts from

218 to 237 m, and 30 thin sections from large fragments

of granite (ranging from 5 to 10 cm in size) from 110 to

114 m, as well as 142 to 143.5 m depth


Reminds me of the makeup of the concretion in Bosnia, investigated by Dr Davidovits PhD


Edited by Frank_Hoenedge
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Going out on a limb here…. “For entertainment purposes only”:

Hanuman (Han Human) was a figment of the ancient Indian traditions, classed as a deity:

He is viewed as the ideal combination of "strength, heroic initiative and assertive excellence" and "loving, emotional devotion to his personal god Rama"

In one version of the Hindu legend, the king of gods Indra intervened and struck Hanuman with his thunderbolt. It hit Hanuman on his jaw, and he fell to the earth dead with a broken jaw.

The Denisovan people were gone by 40,000 years ago. The Indians were present on Australia 40,000 years ago and had been there for 25,000 years.


The Yilan Crater is dated to 46,000-52,000 years before present.


The tunnels of Ravne have been carbon dated. The less than credible results converge on a time 32,000 year before present. More than  25,000 years before the Egyptians are credited with building a real pyramid.


Edited by Frank_Hoenedge
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