uh, ....Sorvig. Where have you gone, Kim, when I need someone to pronounce "Yggdrasil.
On Sun, Jun 23, 2024 at 10:06 AM Nicholas Thompson <thompnicks...@gmail.com> wrote: > Thank you, Eric. > > I keep trying to engage Kim Sordahl in this conversation because he has an > architectual theory concerning the meaning of straight lines in nature AND > > On Sun, Jun 23, 2024 at 6:57 AM Santafe <desm...@santafe.edu> wrote: > >> A few km or even tens of km does not seem long to me on geological scales. >> >> If we have slowly formed crustal rock, it could be fairly uniform. Then >> if there is a bending stress on large scales from upwelling, the >> least-disruption fracture would be a long straightish crack along the the >> line perpendicular to the bending moment. Also, the material that goes >> into that crack is presumably pretty liquid. So while it is okay to call >> it “rock pressing up”, I think the image of liquid squeezing into a >> fracture, shoving apart the sides, and putting maximal stress on the apex >> which extends the fracture further, is more like the picture. >> >> And in whatever page somebody sent, they say the fracture that forms the >> Galisteo dike shows evidence of having formed in that way, by chaining one >> extension onto another, along the stress line where the faces are being >> pushed apart. >> >> When this happens in the sea bottom, seismometers can listen to what >> sounds like a zipping sound, as the crack from some new upwelling extends >> and extends. I forget if it was a review by Karen von Damm or by Deb >> Kelley in which I learned that. They have some name for it, which I am >> forgetting. >> >> Of course, continental crustal rock is not the same as seabed basalts >> (which are probably much more uniform), but even so, these are geologically >> fairly small features we are talking about. >> >> Eric >> >> >> >> > On Jun 23, 2024, at 12:21 PM, Nicholas Thompson < >> thompnicks...@gmail.com> wrote: >> > >> > Yes, Barry. I heard you but I had the bit in my teeth. I apologize. >> Your point seemed, for me, to beg the question I was obsessed with at the >> moment. Where did a straight line of such scale come from? Now, I can see >> why a radar echo might be a straight line, but why a line of dirt? What >> geological process produces linear dikes? I can under why a sediment >> layers might be horizontal layers and I guess maybe, I can imagine that >> the seam between two layers might get rotated ninety degrees and then >> crack and then I imagine igneous rock might press up through that seam. Is >> that the sort oft thing you had in mind? >> > >> > N >> > >> > Nick >> > >> > On Sat, Jun 22, 2024 at 5:38 PM Barry MacKichan < >> barry.mackic...@mackichan.com> wrote: >> > Several times on the Thuram Zoom call, I asked “Do you mean that >> volcanic dike?” but I always seemed to say it just as someone else started >> up. >> > >> > I have two memories about it. >> > >> > • The president of SAR conjured up the image of 3,000 Comanches >> coming through the gap (Comanche Gap) as they came to Santa Fe in the 1770s >> to agree to the truce with New Mexico — the truce that I believe enabled >> the Spanish to hang on for the next 50 years in NM. The image has stuck >> with me. >> > >> > • I thought it would be a great place to find petroglyphs, and >> indeed it is. The density of the “No trespassing” signs along the road >> increases as the square of the inverse of the distance from the point where >> the road crosses the dike. They make it clear exactly where you should not >> trespass. >> > >> > —Barry >> > >> > On 21 Jun 2024, at 11:18, Stephen Guerin wrote: >> > >> > Research last night on historical geologic maps got the name of that as >> the "Galisteo Dike". composition and description in attachment. There is >> one further with as well. Also known as the Creston or Comanche Gap >> > >> > https://galisteo.nmarchaeology.org/sites/creston.html >> > >> > >> > Basic formation given this description (chatGPT): >> > >> > >> > The Galisteo Dike is a geological formation characterized by its >> composition and physical properties, indicating its formation through >> volcanic activity. Here’s a detailed interpretation of its formation based >> on the description provided: >> > >> > 1. **Composition Analysis**: The Galisteo Dike consists of >> micro-monzonite, a fine-grained igneous rock. It contains a mixture of >> minerals including plagioclase, potassium feldspar, titan-augite, >> titaniferous biotite, apatite, and opaque grains in a glass groundmass. >> This mineral composition suggests that the dike formed from magma that >> cooled relatively quickly, preventing the formation of large crystals. >> > >> > 2. **Physical Description**: The dike appears as a dark gray, >> fine-grained rock with a salt and pepper texture. It weathers to dark brown >> or grayish brown and forms a wall-like rampart. This implies that the dike >> is resistant to weathering and erosion, standing out in the landscape as a >> prominent feature. >> > >> > 3. **Structural Features**: The dike is described as comprising many >> right echelon overlapping segments varying in length from 200 to 1200 feet >> and up to 18 feet thick. This pattern of overlapping segments indicates >> that the magma was injected into pre-existing fractures in the surrounding >> rock, likely under significant pressure, causing the fractures to open and >> propagate in an en echelon pattern. >> > >> > 4. **Geological Age**: The dike is dated to 26.55 million years ago, >> placing its formation in the Oligocene epoch. This was a time of >> significant tectonic activity in many parts of the world, often associated >> with volcanic and plutonic intrusions. >> > >> > ### Formation Process >> > 1. **Magma Intrusion**: The formation of the Galisteo Dike began with >> the intrusion of magma into fractures in the Earth's crust. The magma, >> originating from deeper within the mantle, was rich in the minerals >> described and had a high temperature, allowing it to flow and penetrate the >> fractures. >> > >> > 2. **Cooling and Crystallization**: As the magma moved upward through >> the fractures, it began to cool and solidify. The rapid cooling near the >> surface resulted in the fine-grained texture of the rock, with minerals >> crystallizing quickly in the groundmass of glass. >> > >> > 3. **Fracture Propagation**: The injection of magma caused the >> fractures to propagate, leading to the characteristic right echelon >> overlapping segments. This suggests that the fractures did not open >> uniformly but rather stepped along the strike, with each segment forming as >> a discrete intrusion event. >> > >> > 4. **Weathering and Erosion**: Over millions of years, the surrounding >> rock may have eroded away, leaving the more resistant dike exposed as a >> wall-like structure. The weathering of the dike itself results in the >> observed dark brown or grayish brown coloration. >> > >> > In summary, the Galisteo Dike was formed by the intrusion of magma into >> fractures in the crust, followed by rapid cooling and crystallization, >> resulting in a fine-grained igneous rock with distinct mineral composition >> and structural features indicative of significant volcanic activity during >> the Oligocene epoch. >> > ____________________________________________ >> > CEO Founder, Simtable.com >> > stephen.gue...@simtable.com >> > >> > Harvard Visualization Research and Teaching Lab >> > stephengue...@fas.harvard.edu >> > >> > mobile: (505)577-5828 >> > >> > On Fri, Jun 21, 2024, 9:08 AM Nicholas Thompson < >> thompnicks...@gmail.com> wrote: >> > Dear Stephen, >> > >> > Thank you for prompting me to respond to this inquiry. I was having >> some trouble getting the image to behave on my computer, and so was >> reluctant to wade in. >> > >> > Indeed, just as nature abhors vacuums, she abhors straight lines, and >> so any line as straight as this one requires a special explanation. To me, >> that the line points southwestward toward the radar site NW of ABQ suggests >> a radar artifact, perhaps the shadow or some distant hill. As we watched >> the animated radar image, we could see a persistent weakness in the radar >> echo along that line, even as the clouds crossed it. >> > >> > Speaking of abhorrent straight lines, during our conversation with >> Frank, we spent quite a lot of time discussing another line, a berm of sand >> that runs across the Galisteo Basin in roughly the same orientation, >> perhaps 50' high?. I had noticed this feature on topo maps and always >> assumed it was an old railway embankment. Frank, who knows the area well, >> thought that idea was absurd. So, we were left with the puzzle of a highly >> linear geological formation several miles long. >> > >> > Could it be that this geological straight line accounts for the >> straight line cloud formation that Mr. Kadlubek sees? As the dry line >> breaks down in anticipation of the SW Monsoon, moist air does indeed move >> northward, following the river valleys up from TX. AT some point, it will >> be raised enough that its moisture is condensed leading to the release of >> latent heat and the further development of clouds. If the structure that >> raises it is a straight line, then the clouds themselves will be arranged >> in a straight line. We can see this effect often along linear coast lines >> as a sea breeze front topped by (usually) fair weather cumulus. However, >> given all the dramatic topography in the area, it's hard for me to imagine >> that this low lying feature would be determining very often. >> > >> > I, too, live for the weather. I don't live for Face Book, however. So >> if you have any way to put in touch with Mr. Kadlubek, he and I could >> perhaps have coffee when I get back to Santa Fe in the fall. >> > >> > Yours faithfully, >> > >> > Nick Thompson >> > "Behavioral Meteorologist" >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > On Wed, Jun 19, 2024 at 7:06 PM Stephen Guerin < >> stephen.gue...@simtable.com> wrote: >> > Nick, >> > >> > It's your time to shine! Respond to Vince. >> > >> > In the comments, local knowledge refers to it as the "prison line" as >> weather is different on either side of the prison on 14. >> > >> > >> > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> > FRIAM Applied Complexity Group listserv >> > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> > FRIAM-COMIC http://friam-comic.blogspot.com/ >> > archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> > FRIAM Applied Complexity Group listserv >> > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> > FRIAM-COMIC http://friam-comic.blogspot.com/ >> > archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> > >> > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> > >> > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> > FRIAM Applied Complexity Group listserv >> > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> > FRIAM-COMIC http://friam-comic.blogspot.com/ >> > archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> > FRIAM Applied Complexity Group listserv >> > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> > FRIAM-COMIC >> https://linkprotect.cudasvc.com/url?a=http%3a%2f%2ffriam-comic.blogspot.com%2f&c=E,1,tJTnzaUYVp9ehQJ6Fo-TgLdjhD7SiWEOm7eWJwJGUfIIxxEHkY6CROsG9S_m5kcgzYIc-wA-7clFX4ciz4e0QRf9Caat9s8Z7bbfXdk4MrXwRMwiZwhT-b9Ricg,&typo=1 >> > archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> >> >> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> FRIAM Applied Complexity Group listserv >> Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> FRIAM-COMIC http://friam-comic.blogspot.com/ >> archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> >
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