by Roy » Sun Dec 17, 2023 5:09 pm
I realize there are lots of assumptions in current science, lots of “baked in” assumptions of origin, going back to the elementals “earth, air, fire, and water”, fundamentalist’s biblical Bishop Ussher chronology from the 1630s, on up to the current Big Bang catechism we are disproving. And yes, radioactive dating with isotopes has a lot of assumptions built in starting with the origin of the element, rate of decay, etcetera. The citations given mix a lot of things together. Rate of sedimentation, type of sediment, volcanism, plate tectonics, all of which proceed at variable time rates and conditions of environment. Given all the variables, paleontologists do the best they know how at the time, and they do change their minds as time goes on.
What cannot be gainsaid, is that there were extinctions in deep time, evidenced in the fossil record. The record shows boundaries. The K-T boundary is visible, varies in thickness over the world, and was discovered by Alvarez, a physicist, to be anomalistiicly rich in iridium. This led to an impact theory, which led to Chicxulub crater. Dinosaur fossils below K-T, none above. 66 million years ago.
Permian extinction, much worse, 95% of species extinct. Dicynodonts below boundary, Triassic species above. 252 million years ago.
There have been extinctions more recently - megafauna mastodons, megatheriums, and others attributed to a comet strike on the icecap by Graham Hancock at the beginning of the Younger Dryas,12000 years ago.
I am reasoning by analogy - if a large impactor causes shock wave rifts 180 degrees around the planet which cause interior outflows, and that happened, can we see it elsewhere? I say Luna is a candidate. I also proposed something similar on Saturn’s moon Enceladus, an APOD post of 16Dec23.
I realize there are lots of assumptions in current science, lots of “baked in” assumptions of origin, going back to the elementals “earth, air, fire, and water”, fundamentalist’s biblical Bishop Ussher chronology from the 1630s, on up to the current Big Bang catechism we are disproving. And yes, radioactive dating with isotopes has a lot of assumptions built in starting with the origin of the element, rate of decay, etcetera. The citations given mix a lot of things together. Rate of sedimentation, type of sediment, volcanism, plate tectonics, all of which proceed at variable time rates and conditions of environment. Given all the variables, paleontologists do the best they know how at the time, and they do change their minds as time goes on.
What cannot be gainsaid, is that there were extinctions in deep time, evidenced in the fossil record. The record shows boundaries. The K-T boundary is visible, varies in thickness over the world, and was discovered by Alvarez, a physicist, to be anomalistiicly rich in iridium. This led to an impact theory, which led to Chicxulub crater. Dinosaur fossils below K-T, none above. 66 million years ago.
Permian extinction, much worse, 95% of species extinct. Dicynodonts below boundary, Triassic species above. 252 million years ago.
There have been extinctions more recently - megafauna mastodons, megatheriums, and others attributed to a comet strike on the icecap by Graham Hancock at the beginning of the Younger Dryas,12000 years ago.
I am reasoning by analogy - if a large impactor causes shock wave rifts 180 degrees around the planet which cause interior outflows, and that happened, can we see it elsewhere? I say Luna is a candidate. I also proposed something similar on Saturn’s moon Enceladus, an APOD post of 16Dec23.