User talk:Chasebill

Three Plate Tectonic Topics Related to Ultrahigh Pressure Terranes along the Bangong-Nujiang Suture Zone

1. Ultra-high-pressure metamorphism

[B] This article defines ultrahigh-pressure metamorphism and summarizes its implications and importance.

[C] This article is severely crippled by the lack of images detailing the formation and exhumation processes of UHP terranes. The addition of images is critical.

[D] A successful part of the article’s written communication is in the “Identification” section where mineral assemblages and rock types associated with UHP metamorphism is explained. The “Formation of UHP rocks” and “Exhumation of UHP rocks” sections would be easier to comprehend if all types of formation and exhumation of these UHP metamorphic processes were defined in bullet point format with examples beneath each definition.

[E] There is absolutely no visual communication within this page. Simplified images of each type of formation and exhumation process would be great additions.

2. Ophiolite

[B] This article defines an ophiolite, explains the stratigraphic similarities and differences with mid-ocean ridges, and divides ophiolites into two groups –Tethyan and Cordilleran.

[C] This article could be further improved with the addition of information on the different geodynamic processes that exhume these UHP rocks.

[D] A successful part of the page’s written communication is in the “Stratigraphy and definition” section where the typically observed stratigraphic sequence of ophiolites is clearly explained in an easy-to-read bullet point form. Written communication fails where there is no explanation as to why ophiolites are important to the interpretation of the formation of mountain belts.

[E] A successful part of the page’s visual communication is the image of the simplified structure of an ophiolite suite where each of the different types of rocks associated with the suite is clearly labeled. Visual communication can be improved by adding map-view images of each of the ophiolite sequences shown so that readers can see how these ophiolites are associated with mountain belts.

3. Bangong suture

[B] This article gives an overview of the Bangong-Nujiang suture zone and its implication for explaining Eurasian deformation.

[C] While the Lhasa terrane does subduct beneath the Qiangtang terrane, Burchfiel provides evidence for the subduction of the Qiangtang terrane beneath the Lhasa terrane to the southeast.

[D] This article is very clear and concise explaining the development, reactivation, and implications of the BNS. The end-member model predictions could be explained in a bit more detail.

[E] Since this article is an overview of the BNS, the depiction of the BNS on the general map is a great addition. However, more locations of UHP terranes could be added to the map.

[A] Proposal: I propose to make a Wikipedia page on UHP terranes along the BNS.

-Introduction

• Location of BNS

• Length of BNS

• Definition of UHP metamorphism

-Types of Rocks Associated with Suture Zones

• Ophiolites

• Serpentinites

• Eclogites

• Other UHP Rocks

-UHP Terranes Along BNS

• Gertse

• Amdo

• My Area

-Implications (End-members)

-See Also

-References

[B] For a wide audience, this article will provide a general overview of the associated UHP terranes along the BNS and briefly describe the geological importance of such terranes. For specialists, this article is easily accessible and provides readers with a quick glance of UHP terranes along the BNS. Specialists could use the references provided to search for further information about the terrane in which they are most interested.

[C] The page will be structured as the above outline suggests. Multiple headings will be used to give readers easier access to finding the information that they are most interested in. My original figure will include a map containing all known UHP terranes along the BNS with my area, Amdo, and Gertse highlighted. The importance of this figure is to display where the terranes are located along the BNS, as opposed to giving nearly meaningless coordinates and/or relative locations. It acts as a visual aid.

Chasebill (talk) 18:15, 15 September 2013 (UTC)

Welcome!

Hello, Chasebill, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are a few links to pages you might find helpful:

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Hello Chase

Welcome to Wikipedia, I hope you enjoy your time here and choose to stay. I am an online ambassador for your course, so I will be available to help you out with Wikipedia editing, but not in person. If you want my attention you can email me at Special:EmailUser/Graeme Bartlett or talk to me at User talk:Graeme Bartlett. I am in Australia, in the timezone which is 11 hours ahead of UTC, so I will be awake while you sleep. On the tectonic plate I am moving 24 degrees east of north with a velocity of 54.5 mm/yr and sinking at a rate of 3.5 mm per year.

What is the difference between Bangong-Nujiang Suture Zone and the Bangong suture? As we should ask if the two topics should be merged together or not. Graeme Bartlett (talk) 09:56, 11 October 2013 (UTC)

Article

Hi your article has some more comments from Orlady who has challenged the term "high pressure terranes" amongst other issues: which I have transcluded here.

• Graeme Bartlett (talk) 20:35, 9 December 2013 (UTC)

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