The Laschamp event and the demise of Neanderthals

Dutch Uncle said:
Oooh....look who's been busy Googling about geology! Kudos, Perry. Your mommy would be so proud. :hand::hand::hand:
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I must be the best, fastest googler on the planet. I've been able to talk more authoritatively in these posts on earth science (not even my area!) than Cy who CLAIMS to have gone to the Andes to collect rocks.


IT's like your NDE story. Wholly made up to serve your fantasies of an actual personality or achievement in something.


So pathetic. I love watching you two so desperate to run away from someone who is smarter than you are. It's hilarious! RUN!
 
Daylight63 said:
My old sock Puppet Perry Phimosis was just as obsessed :love: with Cypress as I am!
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:lolup: ftfy

Perry, what you can't learn from frantically Googling the internet about sedimentary rocks, is that in the field you do the best you can. Outcrop exposure is fair to poor, and you sample the most appropriate sedimentary facies you can find. You should have learned that when studying for your geochem PhD lol
 
Why Daylight 63 knows about clays:

Daylight63 worked with CEMENT. Cement is made from CEMENT CLINKER which is made from calcining clay minerals with limestone. That makes calcium silicate hydrate phases which act as hydraulic cements. In other cases clays can be part of what are called SECONDARY CEMENTITIOUS MATERIALS.

Why would someone like me know anything about clays? Because clays are part of cement. Knowing clays opens the door to taking clay related classes which includes earth science classes. And because I am actually INTERESTED in things I learned a bit more than was absolutely the bare minimum of that which is needed.


The mystery is solved for @Cypress. If you need help, Cy, I can explain cement in more detail to you. I know it's "science" and you won't like it, but just in case your Wikifingers get tired today.
 
Cypress said:
:lolup: ftfy

Perry, what you can't learn from frantically Googling the internet about sedimentary rocks, is that in the field you do the best you can. Outcrop exposure is fair to poor, and you sample the most appropriate sedimentary facies you can find. You should have learned that when studying for your geochem PhD lol
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There is no one by this name. You made this up. Maybe if you could show me just ONE of these mystery posts I could understand your fantasy. Please show me.


(I know you won't because you can't but just asking in case)
 
Daylight63 said:
I must be the best, fastest googler on the planet. I've been able to talk more authoritatively in these posts on earth science (not even my area!) than Cy who CLAIMS to have gone to the Andes to collect rocks.


IT's like your NDE story. Wholly made up to serve your fantasies of an actual personality or achievement in something.


So pathetic. I love watching you two so desperate to run away from someone who is smarter than you are. It's hilarious! RUN!
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Off topic....again. Poor, poor Perry the Pud-Puller. Keep pulling, Perry. LOL
 
Daylight63 said:
Grit it between your front teeth.
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:lolup:
See, that's what happens when rely on frantically Googling for tidbits of information on the internet.

Gritting it between your teeth would usually be fucking stupid outside of an undergraduate lab class, because most professional field geologists and mud loggers are working on environmental cleanup sites, or oil fields - and they do not want to put benzene-saturated soil in the mouth.

I knew mudloggers and hydrogeologists and none of them were shoving dirt into their mouths, lol

A high school graduate or bachelor's degree graduate can easily be trained to assess soil and sediment field classification by grain size, texture, plasticity, without shoving dirt into their mouth :laugh: 🤣
 
Daylight63 said:
There is no one by this name. You made this up. Maybe if you could show me just ONE of these mystery posts I could understand your fantasy. Please show me.


(I know you won't because you can't but just asking in case)
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Off topic...again, Perry Pud-Puller.

Why can't you post past 6PM M-F, Perry?
 
Cypress said:
:lolup:
See, that's what happens when rely on frantically Googling for tidbits of information on the internet.

Gritting it between your teeth would usually be fucking stupid outside of an undergraduate lab class, because most professional field geologists and mud loggers are working on environmental cleanup sites, or oil fields, and they do not want to put benzene-saturated soil in the mouth.
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LOL. You weren't sitting drill rigs now were you?

I'm not talking about sitting drill rigs. Nor am I talking about gritting contaminated rock, for fuck's sake. But trust me back in the 80's and out in the field that was what was done. I did it myself. At the behest of a geology professor at the time. OBVIOUSLY not in some environmental contamination event. This is just plain old raw field work.

Now I don't recommend it seriously (it's kinda disgusting), but a REAL geologist (or someone who was playing one) would have known that. It would have been relatively critical to you to have all the aspects of how to differentiate these things at your beck and call.

I knew you would have to google to check me and that's clearly what you did.


You've never met or talked to a geologist and I know for FUCKING SURE you never got to play geologist. Who would send a rando with NO EXPERIENCE out to the Andes to collect rocks he couldn't POSSIBLY identify???????

************FEEL FREE TO IGNORE THIS BIG SINCE IT IS TOO TECHNICAL FOR YOU TO UNDERSTAND**************​

Here's how to make your story make sense. First off: figure out if you were sitting the rig and collecting samples (something you could NOT do without geology training and significant amounts thereof) or you were collecting raw out in the field. Your description initially sounded raw out in the field.

Then google what you wanted to actually make it sound like you were doing. "Basin thermal maturity" is a good start. But there's a LOT of that work out there. Fission track analysis is NOT the first stopping point on that journey. In fact it probably seldom if ever actually happens especially for a basin exploratory study. NO they're going to start with looking at the organics which is why you were sent out to collect mudstone. Mudstone contains a LOT of phyllosilicates (clays) which are, as you indicated, extremely low energy depositional environments. Very good for preserving organics. The boffins back at the lab would then digest the mudstone with HF and get at the organics. If the organics contain any terrestrial or Type III organics they might be able to find vitrinite. Vitrinite reflection can be used to assess thermal maturity of the rock they are found in. This is bog-standard oil-company stuff. They might also go for illite crystallinity which is also a viable metric and illite can be expected to be one of the clays in the mudstone you "collected". This is measured by XRD.

If you want to make it sound like you were sitting a rig (something my wife used to do, by the by, another link for me to understand more of this topic than you might be comfortable with) would be stressing credulity. In those cases you would have to be able to identify lithology from the grindings brought up. If you want to now claim you have no geology training (or whatever you dodge is now) there's no way you would be collecting samples.

So stick with raw field work (it's easier to lie about) but add in some of the reasons why you might have been doing what you did.


There was a time long ago I worked as a grunt doing work for someone with more education than I had. I at least understood the basics of why I was sticking my arms into sewage contaminated water to collect samples.

 
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