masellis Mantle Convection Reading for Meaning by Bartolomeo Masellis https://padlet.com/maine207/te1pjohliy02jfco en-us 2020-11-10 05:50:43 UTC 2025-10-17 17:00:13 UTC hello@padlet.com "convective flow in the rocky 2900-kilometer thick mantle in which warm buoyant rock rises and cooler denser material sinks, id the underlying force for plate movement." https://padlet.com/maine207/te1pjohliy02jfco/wish/913496169 2020-11-11 16:51:26 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913496169 refute https://padlet.com/maine207/te1pjohliy02jfco/wish/913497029 slab pull and ridge push are the dominant forces]]> 2020-11-11 16:51:39 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913497029 https://padlet.com/maine207/te1pjohliy02jfco/wish/913497352 There is general agreement that the subduction of cold, dense slabs of oceanic lithosphere is a major driving force of plate motion]]> 2020-11-11 16:51:43 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913497352 "Convection flow is the underlying driving force for plate movement." https://padlet.com/maine207/te1pjohliy02jfco/wish/913498985 2020-11-11 16:52:08 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913498985 sandreolas https://padlet.com/maine207/te1pjohliy02jfco/wish/913502978 Slab pull and ridge push appear to be the dominant forces]]> 2020-11-11 16:53:13 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913502978 Slab pull and Ridge push appear to be the dominant force. https://padlet.com/maine207/te1pjohliy02jfco/wish/913503106 2020-11-11 16:53:15 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913503106 https://padlet.com/maine207/te1pjohliy02jfco/wish/913503428 The flow of the mantle helps plates to move in a certain direction, Slab pull and Ridge push appear to be the dominant force.]]> 2020-11-11 16:53:20 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913503428 Slab pull and Ridge push appear to be the dominant force. https://padlet.com/maine207/te1pjohliy02jfco/wish/913503471 2020-11-11 16:53:21 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913503471 https://padlet.com/maine207/te1pjohliy02jfco/wish/913504255 2020-11-11 16:53:34 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913504255 support https://padlet.com/maine207/te1pjohliy02jfco/wish/913504486 Slab pull causes the colder denser lithosphere to sink like a rock

]]> 2020-11-11 16:53:38 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913504486 Support https://padlet.com/maine207/te1pjohliy02jfco/wish/913505165 Slab pull causes the colder denser lithosphere to sink like a rock]]> 2020-11-11 16:53:48 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913505165 support https://padlet.com/maine207/te1pjohliy02jfco/wish/913505373 Overall the Ridge Push is more significant because of how it falls down. The Slab pull falls because of a dense cold slab. Because the Ridge Pull is caused by gravity it makes it stronger then the slab pull.]]> 2020-11-11 16:53:51 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913505373 This fact supports the notion that slab pull is a more significant driving force than ridge push https://padlet.com/maine207/te1pjohliy02jfco/wish/913505375 2020-11-11 16:53:51 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913505375 https://padlet.com/maine207/te1pjohliy02jfco/wish/913505506 Slab pull causes the colder denser lithosphere to sink like a rock]]> 2020-11-11 16:53:54 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913505506 sandreolas https://padlet.com/maine207/te1pjohliy02jfco/wish/913505533 Slab pull causes the colder denser lithosphere to sink like a rock]]> 2020-11-11 16:53:54 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913505533 Support: Slab pull causes the colder denser lithosphere to sink like a rock https://padlet.com/maine207/te1pjohliy02jfco/wish/913505585 2020-11-11 16:53:55 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913505585 Refute - Slab pull and Ridge push appear to be the dominant force. https://padlet.com/maine207/te1pjohliy02jfco/wish/913506323 2020-11-11 16:54:08 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913506323 https://padlet.com/maine207/te1pjohliy02jfco/wish/913506899 2020-11-11 16:54:16 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913506899 Ridge push appears to contribute less to plate motion than slab pull. https://padlet.com/maine207/te1pjohliy02jfco/wish/913506926 2020-11-11 16:54:17 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913506926 https://padlet.com/maine207/te1pjohliy02jfco/wish/913507039 Fast moving plates subduct more than slow moving ones]]> 2020-11-11 16:54:19 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913507039 https://padlet.com/maine207/te1pjohliy02jfco/wish/913507080 2020-11-11 16:54:19 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913507080 Slabs penetrate the boundary and descend deep into the mantle. Therefore destroying the layer cake model. https://padlet.com/maine207/te1pjohliy02jfco/wish/913507357 2020-11-11 16:54:24 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913507357 Support https://padlet.com/maine207/te1pjohliy02jfco/wish/913507632 “There is a general agreement that the subduction of cold, dense slabs of oceanic lithosphere is a major driving force of plate motion”.]]> 2020-11-11 16:54:27 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913507632 Support - Slab pull causes the colder denser lithosphere to sink like a rock. https://padlet.com/maine207/te1pjohliy02jfco/wish/913508321 2020-11-11 16:54:34 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913508321 https://padlet.com/maine207/te1pjohliy02jfco/wish/913508447 Upper and lower layers mix together, Would eliminate chemically distinct volcanic rock]]> 2020-11-11 16:54:36 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913508447 refute https://padlet.com/maine207/te1pjohliy02jfco/wish/913509304 Slab pull and Ridge push appear to be the dominant force.]]> 2020-11-11 16:54:48 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913509304 sandreolas https://padlet.com/maine207/te1pjohliy02jfco/wish/913509605 2020-11-11 16:54:53 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913509605 Support https://padlet.com/maine207/te1pjohliy02jfco/wish/913510024 "Recent work has predicted that whole-mantle convection would cause the entire mantle to completely mix in a matter of a few hundred million years. This, in turn, would eliminate chemically distinct magma sources- those that are observed in hot-spot volcanism and those associated with volcanic activity along the ocean ridges. This, the whole- mantle model also has shortcomings."]]> 2020-11-11 16:54:59 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913510024 support https://padlet.com/maine207/te1pjohliy02jfco/wish/913510148 Slab pull causes the colder denser lithosphere to sink like a rock.

]]> 2020-11-11 16:55:01 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913510148 refute https://padlet.com/maine207/te1pjohliy02jfco/wish/913510657 Slab pull is a more significant driving force because it is the major driving force and ridge force seems to contribute less]]> 2020-11-11 16:55:10 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913510657 https://padlet.com/maine207/te1pjohliy02jfco/wish/913511208 The denser lithosphere is pulled beneath due to slab pull]]> 2020-11-11 16:55:18 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913511208 Refute - For example, despite its greater average height above the seafloor, spreading reates along the Mid-Atlantic Ridge are considerably less than the spreading rates along the less steep East Pacific Rise. https://padlet.com/maine207/te1pjohliy02jfco/wish/913511579 2020-11-11 16:55:24 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913511579 sandreolas https://padlet.com/maine207/te1pjohliy02jfco/wish/913513114 "Ridge push appears to contribute far less to plate motions than slab pull."]]> 2020-11-11 16:55:48 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913513114 refute https://padlet.com/maine207/te1pjohliy02jfco/wish/913514523 The whole mantle model is a whole picture while the layer cake model is just pictures, so the whole mantle has more evidence.]]> 2020-11-11 16:56:11 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913514523 https://padlet.com/maine207/te1pjohliy02jfco/wish/913516303 2020-11-11 16:56:40 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913516303 sandreolas https://padlet.com/maine207/te1pjohliy02jfco/wish/913542564 Slab pull and ridge push are the most driving forces for plate motion.]]> 2020-11-11 17:03:54 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/913542564 Refutes- Gavin White https://padlet.com/maine207/te1pjohliy02jfco/wish/914000435 Ridge push appears to contribute much less to plate motion than slab force. The primary evidence for this is comparing rates of seafloor spreading along ridge segments having different elevations.]]> 2020-11-11 19:15:02 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914000435 Refutes - Gavin White https://padlet.com/maine207/te1pjohliy02jfco/wish/914002429 Data gathered from the study of earthquake waves have shown that at least some subducting oceanic slabs penetrate the 660 km boundary and descend deep into the mantle]]> 2020-11-11 19:15:39 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914002429 Gavin White https://padlet.com/maine207/te1pjohliy02jfco/wish/914008297 The who crust will eventually mix given time.]]> 2020-11-11 19:17:30 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914008297 refute https://padlet.com/maine207/te1pjohliy02jfco/wish/914094499 Ridge pull contributes far less to plate motion compared to slab pull]]> 2020-11-11 19:43:32 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914094499 refute https://padlet.com/maine207/te1pjohliy02jfco/wish/914224798 Slab pull and Ridge push appear to be the dominant force. However, the convective flow has a force too. (when the flow of the asthenosphere is moving at an increasing faster velocity than the crust)]]> 2020-11-11 20:28:29 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914224798 Refute https://padlet.com/maine207/te1pjohliy02jfco/wish/914226860 Ridge push force isn’t as effective because it doesn’t have the same plate notion as Slab. The spreading rates in the Mid-Atlantic are considerably less than the East Pacific Rise.]]> 2020-11-11 20:29:15 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914226860 Support https://padlet.com/maine207/te1pjohliy02jfco/wish/914229512 Many scientists predict that the whole mantle convention would completely mix the matter of a few hundred million years which would eliminate chemically distinct magma sources.]]> 2020-11-11 20:30:15 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914229512 Support https://padlet.com/maine207/te1pjohliy02jfco/wish/914230293 Slab pull causes the colder denser lithosphere to sink like a rock]]> 2020-11-11 20:30:32 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914230293 The mantle convention attributes to compositional variations in the mantle https://padlet.com/maine207/te1pjohliy02jfco/wish/914252626 2020-11-11 20:39:07 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914252626 https://padlet.com/maine207/te1pjohliy02jfco/wish/914573402 The “layer cake model” is an older model that was created to show basic framework, and misses important things that “whole mantle model” does not.]]> 2020-11-11 23:27:29 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914573402 https://padlet.com/maine207/te1pjohliy02jfco/wish/914576170 Ridge push contributes far less to plate motion than slab pull. Comparing rates of seafloor spreading along ridge segments that have different elevations show direct evidence. ]]> 2020-11-11 23:29:15 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914576170 https://padlet.com/maine207/te1pjohliy02jfco/wish/914576694 Slab pull causes the colder denser lithosphere to sink like a rock]]> 2020-11-11 23:29:37 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914576694 https://padlet.com/maine207/te1pjohliy02jfco/wish/914578257 Slab pull and Ridge push appear to be the dominant force.]]> 2020-11-11 23:30:37 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914578257 Refute https://padlet.com/maine207/te1pjohliy02jfco/wish/914840934 Ridge push contributes far less than Slab pull but is still significant.]]> 2020-11-12 02:04:00 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/914840934 Refute gurdova https://padlet.com/maine207/te1pjohliy02jfco/wish/917130691 “Ridge push appears to contribute far less to plate motions than slab pull.”]]> 2020-11-12 16:13:13 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/917130691 support gurdova https://padlet.com/maine207/te1pjohliy02jfco/wish/917133465 Despite its usefulness in explaining many of the large-scale geologic processes operating on Earth, plate tectonics is not completely undertsood.]]> 2020-11-12 16:13:45 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/917133465 gurdova https://padlet.com/maine207/te1pjohliy02jfco/wish/917134077 2020-11-12 16:13:52 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/917134077 https://padlet.com/maine207/te1pjohliy02jfco/wish/917136180 It must be, as Oceanic crust sinks into the asthenosphere.]]> 2020-11-12 16:14:15 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/917136180 https://padlet.com/maine207/te1pjohliy02jfco/wish/918494858 Ridge push and slab pulls are major factors in plate motions.]]> 2020-11-12 21:06:15 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/918494858 Support - “However, data gathered from the study of earthquake waves have shown that at least some subduction oceanic slabs penetrate the 660 Kilometer boundary and descend deep into the mantle.” https://padlet.com/maine207/te1pjohliy02jfco/wish/920547429 2020-11-13 15:41:32 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/920547429 Thermal convection, as well as slab pull and ridge push, are the main factors in tectonic plate movement. https://padlet.com/maine207/te1pjohliy02jfco/wish/920561427 2020-11-13 15:44:37 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/920561427 pknapp2 https://padlet.com/maine207/te1pjohliy02jfco/wish/921136410 "Ridge push appears to contribute far less to plate motions than slab pull"

]]> 2020-11-13 17:51:03 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/921136410 pknapp2 https://padlet.com/maine207/te1pjohliy02jfco/wish/921145008 Ocean Lithosphere is less dense than upper asthenosphere for a few million years]]> 2020-11-13 17:53:04 UTC https://padlet.com/maine207/te1pjohliy02jfco/wish/921145008