Hackly jointing
WebThe first example is from the flanks of volcano Osorno, Chile, where characteristic hackly jointing has developed on the outer margins of an andesitic lava flow. This differs from the regular pattern typical of columnar jointing, and is thought to be one characteristic of rapid quenching of lava. WebDefine hackly. hackly synonyms, hackly pronunciation, hackly translation, English dictionary definition of hackly. adj. Nicked or notched; jagged. American Heritage® …
Hackly jointing
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WebPrevious Next . doi:10.2204/iodp.proc.324.104.2010. Structural geology. Cores recovered from the igneous basement in Hole U1347A between 157.4 mbsf in Core 324 ... Webglaciovolcanism - a synonym for volcano-ice interaction, encompassing subglacial volcanism, ice-marginal volcanism, and supraglacial volcanism hackly jointing - chaotic, …
Webhjtg=hackly jointing hnfls/d=hornfels, hornfelsed hwy=highway hy=hypersthene hyc=hyaloclast, hyaloclastic, -ite IFF=Indian Flat fault incl=inclusion ind=indurated intbd=interbed intr=intrusion, intrusive intrdg=intruding intrds=intrudes jct=junction JST=Julianna Shultz Thompson jt, jtd, jtg =joint, jointed, jointing KAB=Keith A. Brunstad WebMar 1, 2012 · The LCZ and UCZ of the flows are characterized by columnar joints while the EZ is marked by multi-directional hackly jointing. The geometry of different joint …
WebMar 8, 2013 · Lobe cores are often separated from the upper crust by a zone of horizontal jointing. Cores are well-jointed with either a radially or hackly jointed section in the center and chatter marks on some thick columns (>80 cm diameter) within the lava core. WebHackly definition, rough or jagged, as if hacked: Some minerals break with a hackly fracture. See more.
WebThis leads to an irregular and sometimes hackly jointing called entablature in the upper parts of the flow. Here’s a picture of some entablature (upper) and colonnade (lower) columnar jointing structures in basalts in Iceland: Colonnade and entablature columnar jointing structures in Iceland. Picture courtesy of Dougal Jerram.
http://www.sci.sdsu.edu/how_volcanoes_work/flow_features.html tlc of garlic extractWebflow at Coyote Wall, Washington, west of Rowena Gap. Note hackly texture of flow except along the periphery of the cast, which is composed of a veneer of pillow basalts. B. Interior view of pillow basalt veneer within the tree cast. Prominent pillow in foreground is … tlc of the bay areatlc of lipidsWebLarge columnar joints that developed in a cooling lava pond in Mokaopuhi Crater, East Rift Zone, Kilauea. The columns were exposed by a younger episode of collapse of the pit … tlc ods 展開溶媒WebSplintery fracture is breakage into elongated fragments like splinters of wood, while hackly fracture is breakage along jagged surfaces. Which mineral has Hackly fracture? There … tlc of duluth mnWeb(a) In a homogeneous mass undergoing uniform cooling throughout the surface, contraction is equally developed in all directions. (b) Centres of contraction are … tlc of the bay area inchttp://publications.iodp.org/proceedings/324/104/104_7.htm tlc of telmisartan