dated the incisors to the Gilsa geomagnetic polarity event roughly 1.7 million years ago can you explain what the Gilsa geomagnetic polarity event was for those who don't know (like me)? or maybe just explain what a polarity event is.
paleomagnetic dating is finding which layers of the rock correspond to which chron (like in
this image) similar to epochs. At the boundary of each chron, the magnetic polarity reverses. Sometimes there are short-lived reversals within each chron called a polarity subchron or polarity event. Still debated if the term "subchron" should completely replace "polarity event" User:Dunkleosteus77 |
push to talk22:37, 10 April 2021 (UTC)reply
Files' copyrights checks out. Article is well-written with no OR. All references are reliable. I could not access any of the sources to verify text, but I could access
this, using which I could verify the following statements: "The incisors are overall robust." checks out. "The labial (lip) side is mostly flat with the exception of some grooves and depressions" checks out. The article is stable, illustrated, and neutral. The only thing I could suggest is: Brown (2001) linked above on page 138 suggests "While these teeth are similar to those described for Zhoukoudian Homo erectus (Weidenreich 1937), this is not enough to indicate that they must be Homo erectus teeth. For instance, an incisor tooth of similar size and morphology is present in the Xujiayo 'archaic' Homosapiens maxilla (Jia et al 1979) dated to approximately 100 ka (Yuan et al 1986), as well as Krapina Neanderthals (Wolpoff 1979)." Does anyone else mention this, and should it be included in the article?
Therapyisgood (
talk)
22:36, 17 April 2021 (UTC)reply