Wikipedia:Map data/Fracture zone: Difference between revisions

Revision as of 03:12, 7 November 2023

Revision as of 09:06, 8 November 2023

Line 6:

| author = [[User:ChaseKiwi]]

| permission =

| additional_information = This page is used on multiple pages and has complex logic so any alteration should be checked as a minor typo can break display. Map data is approximate surface projection of fracture zones (orange) on oceans. Misnamed fracture zones, or associatedAssociated features such as probable extension of fracture zones are lighter orange. Clickingand onmid theoceanic mapridges enablesare mousewhite. overSwitching thatlogic displaysis moreused informationto asemphasise wellparticular data such as use of colour violet or to select out a portion of the fracturedata zonefile name(this has less rendering overhead).

Clicking on the map enables mouse over that displays more information as well as the fracture zone name.

The map has been checked against sea floor contours and at least one reference for position. These often have slightly different feature information, and lengths of the zone. Where an official limit to the zone is assigned this is usually used, unless clearly updated by later academic work. Academic work on zones consulted during preparation of data is not necessarily acknowledged where relatively minor difference in data. The data is incomplete as official recognition of feature names is a drawn out process. Unofficial names have been added from academic literature and this remains a work in progress particularly for Indian Ocean and Eastern Pacific where a number of officially unnamed fracture zones exist. The sources for most of the data are:

The map has been checked against sea floor contours and at least one reference for position. Experience has shown that original acaedemic papers often are more accurate sources, so improvements are likely. These sources often have slightly different feature information, and lengths of the zone. WhereThe anfeature officiallength limit to the zonedata is assignedapproximate thisand ismay usuallydeviate usedfrom references, unless clearlysometimes updatedbecause bythey latercan academicnot workagree. Academic work on zones consulted during preparation of data is not necessarily acknowledged where relatively minor difference in data. The data is incomplete as official recognition of feature names is a drawn out process. Unofficial names have been added from academic literature and this remains a work in progress particularly for Indian Ocean and Eastern Pacific where a number of officially unnamed fracture zones exist. The sources for most of the data are:

*{{cite web|url=https://marineregions.org/gazetteer.php| title= Marine Gazetteer|access-date=31 October 2023}}

*{{cite web|url=https://www.arcgis.com/home/webmap/viewer.html|title= ArcGIS oceans basemap|access-date=31 October 2023}}

*{{cite journal|doi=10.1016/j.epsl.2019.04.031|title= Geochronology and geochemistry of the northern Scotia Sea: A revised interpretation of the North and West Scotia ridge junction|last1=Riley| first1=TR| last2=Carter| first2=A| last3= Leat|first3= PT|last4= Burton-Johnson |first4=A|last5= Bastias |first5=J|last6= Spikings| first6=RA| last7=Tate| first7=AJ|last8= Bristow|first8= CS|journal= Earth and Planetary Science Letters|date=15 July 2019|volume=518|pages=136-47}}

*{{cite journal|doi=10.1029/2011GC003742|title=Structure and breakup history of the rifted margin of West Antarctica in relation to Cretaceous separation from Zealandia and Bellingshausen plate motion|year=2012|last1=Wobbe|first1=F|last2= Gohl|first2= K|last3= Chambord |first3=A|last4= Sutherland |first4=R|journal=Geochemistry, Geophysics, Geosystems|volume=13|issue=4}}

* {{Cite journal|last1=Sykes | first1=Lynn R. |last2=Ekstörm | first2 = Göran|date=2011|title=Earthquakes along Eltanin transform system, SE Pacific Ocean: fault segments characterized by strong and poor seismic coupling and implications for long-term earthquake prediction|journal=[[Geophysical Journal International]]|volume=188|number=2|pages=421–434|doi=10.1111/j.1365-246X.2011.05284.x|bibcode = 2012GeoJI.188..421S |doi-access=free}}

Logic has been added to display distinctive fracture zones and mid-ocean ridges. The data base has now evolved to better define some of these features from original sources and now may have an existence of its own with improvements not just by me. As it is not appropriate to develop improvements to the json database on this page itself for several technical reasons a subpage with all the json code before logic insersion has been created and any other users improving the database are asked to do json updates at ->[[Wikipedia:Map data/Fracture zone/json]]. Logic changes do have to be inserted in the live page although of course should be tested where possible.

Logic may be added to display only those fracture zones that are true fracture zones and to display in a distinctive colour (color) individual fracture zones on a call or just selected zones that say share a common spreading center.

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{ "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff8000", "stroke-opacity":0.9, "title":"[[Hunter Fracture Zone]]<br /><small> Rounded trace length {{convert|595|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=34085 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [178.0993652,-19.7150002 ],[ 177.6324463,-20.0301289 ],[ 177.4182129,-20.2415828 ],[ 177.2039795,-20.4424553 ],[ 176.8798828,-20.7252909 ],[ 176.5338135,-20.8793430 ],[ 176.1328125,-21.1306215 ],[ 175.8746338,-21.3917047 ],[ 175.7208252,-21.6472171 ],[ 174.8693848,-22.0194532 ],[ 174.2211914,-22.3043438 ],[ 173.6004639,-22.4110285 ],[ 173.3422852,-22.4821062 ] ] } }

Line 30 ⟶ 32:

{ "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff8000", "stroke-opacity":0.9, "title":"[[Pioneer Fracture Zone]](Razlom Pioner)<br /><small> Rounded trace length {{convert|2220|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=7442 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [-126.9992065,38.7840635 ],[ -129.2404175,38.6511983 ],[ -131.9677734,38.5825262 ],[ -132.5225830,38.5008926 ],[ -134.2254639,38.5288303 ],[ -139.5483398,38.3933389 ],[ -140.5810547,38.4965935 ],[ -141.2622070,38.4965935 ],[ -141.7236328,38.2381801 ],[ -144.0966797,37.9441975 ],[ -147.7880859,37.2653100 ],[ -151.9848633,36.5626000 ] ] } },

{ "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff8000", "stroke-opacity":0.9, "title":"[[Zeehaen Fracture Zone]]<br /><small>(Zeehan Fracture Zone), Named from the <i>Zeehaen</i>, one of the vessels of [[Abel Tasman]], the famous Dutch explorer, Rounded trace length {{convert|80|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=7169 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [114.2976272,-49.8937705 ],[ 114.2193604,-50.0253876 ],[ 114.1479492,-50.1381852 ],[ 114.1040039,-50.2401789 ],[ 114.0106201,-50.4295179 ],[ 113.8842773,-50.5413630 ] ] } },

{ "type": "Feature", "properties": { "stroke-width":1, "stroke": {{#switch:{{PAGENAME}}|#default="#ff8000"|Eltanin Fault System="#ff00ff"}}, "stroke-opacity":0.9, "title":"[[Tharp Fracture Zone]]<br /><small>(South Branch of [[Eltanin Fault System]], Eltanin Fracture Zone) Rounded trace length {{convert|1985|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=7562 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [-109.6875000,-59.2883317 ],[ -115.5761719,-57.6336399 ],[ -119.1357422,-56.9449742 ],[ -121.7285156,-56.4139014 ],[ -125.0683594,-55.9983810 ],[ -129.1113281,-55.1035161 ],[ -130.5340576,-54.6611237 ],[ -130.9515381,-54.5593226 ],[ -131.4898682,-54.4125370 ],[ -132.1875000,-54.2652241 ],[ -132.4896240,-54.2010102 ],[ -132.7148438,-54.1624340 ],[ -132.9290771,-54.1206024 ],[ -133.6212158,-53.9431547 ],[ -133.9672852,-53.8687246 ],[ -134.3243408,-53.8201118 ],[ -136.8896484,-53.3308730 ] ] } },

{ "type": "Feature", "properties": { "stroke-width":1, "stroke": {{#switch:{{PAGENAME}}|#default="#ff8000"|Eltanin Fault System="#ff00ff"}}, "stroke-opacity":0.9, "title":"[[HeezenTharp Fracture Zone]]<br /><small>(NorthSouth Branch of [[Eltanin FractureFault ZoneSystem]], Eltanin Fracture Zone) Named after [[BruceMarie C.Tharp]], Heezen|Bruce[[USNS Charles HeezenEltanin]], Rounded trace length {{convert|6301880|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=75617562 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [-109.6875000,-59.2883317 ],[ -115.5761719,-57.6336399 ],[ -119.1357422,-56.9449742 ],[ -121.61865237285156,-5556.61558904139014 ],[ -122125.51953130683594,-55.46639949983810 ],[ -123129.17871091113281,-55.30413771035161 ],[ -124130.07958985340576,-5554.15376636611237 ],[ -125130.06835949515381,-54.88924645593226 ],[ -126131.12304694898682,-54.69923354125370 ],[ -127132.15576171875000,-54.49556752652241 ],[ -128132.03466804896240,-54.27805492010102 ],[ -129132.17724617148438,-54.02067961624340 ],[ -130132.03417979290771,-54.1206024 ],[ -133.6212158,-53.81362589431547 ],[ -130133.83616029672852,-53.79741288687246 ],[ -134.3243408,-53.8201118 ],[ -137.7026367,-52.9486379 ] ] } },

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{ "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff8000", "stroke-opacity":0.9, "title":"[[Guafo Fracture Zone]]<br /><small> Rounded trace length {{convert|1440|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=7554 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [-76.5087891,-44.1191415 ],[ -77.6953125,-44.3159879 ],[ -78.5961914,-44.4337798 ],[ -79.5629883,-44.5826428 ],[ -80.2880859,-44.6764656 ],[ -80.8813477,-44.7623367 ],[ -81.8261719,-44.9025780 ],[ -82.5073242,-45.0036512 ],[ -84.0234375,-45.1897801 ],[ -84.5397949,-45.3289787 ],[ -85.3747559,-45.4370083 ],[ -86.1437988,-45.4986468 ],[ -86.6711426,-45.5525253 ],[ -87.3303223,-45.6601273 ],[ -87.9016113,-45.6678053 ],[ -89.2089844,-45.7138509 ],[ -90.4504395,-45.7215215 ],[ -91.4282227,-45.7368595 ],[ -91.7358398,-45.7291911 ],[ -92.4169922,-45.6370871 ],[ -93.1091309,-45.6370871 ],[ -93.5925293,-45.7215215 ],[ -93.9550781,-45.7828484 ],[ -94.1528320,-45.8134865 ],[ -94.6032715,-45.8823607 ] ] } },

{ "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff8000", "stroke-opacity":0.9, "title":"[[Valdivia Fracture Zone]]<br /><small>Named after [[Pedro de Valdivia]], Rounded trace length {{convert|1750|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=7555 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [-75.7397461,-40.1956591 ],[ -77.0141602,-40.2795257 ],[ -78.6840820,-40.4803814 ],[ -79.8706055,-40.5137992 ],[ -80.9033203,-40.6306301 ],[ -83.2763672,-40.9135126 ],[ -85.2099609,-41.0627861 ],[ -85.8691406,-41.2943173 ],[ -88.6816406,-41.5085773 ],[ -91.0327148,-41.6564972 ],[ -93.1860352,-41.8040781 ],[ -94.8999023,-41.8204551 ],[ -95.9985352,-41.7876970 ],[ -96.4599609,-41.7876970 ] ] } },

Line 39 ⟶ 43:

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{ "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff8000", "stroke-opacity":0.9, "title":"[[Menard Fracture Zone]]<br /><small>Named after [[Henry William Menard]], Rounded trace length {{convert|2465|km|abbr=on}}^{[https://marineregions.org/gazetteer.php?p=details&id=7558 Marine Gazetteer],[https://www.arcgis.com/home/webmap/viewer.html ArcGIS oceans basemap]}</small>" }, "geometry": { "type": "LineString", "coordinates": [ [-94.5263672,-53.0147832 ],[ -96.8554688,-52.3219109 ],[ -98.7451172,-51.7814356 ],[ -101.4697266,-51.3443387 ],[ -104.1943359,-51.0690167 ],[ -106.9189453,-50.7642594 ],[ -108.9843750,-50.3734961 ],[ -110.3466797,-50.3454604 ],[ -111.1376953,-50.2050333 ],[ -113.5546875,-49.8663167 ],[ -116.8066406,-49.0666684 ],[ -119.2675781,-48.7199612 ],[ -121.0693359,-48.3708477 ],[ -122.9589844,-48.1367667 ],[ -127.5732422,-47.0701218 ] ] } },

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Line 145 ⟶ 149:

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Line 242 ⟶ 245:

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