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stockwork การใช้

ประโยคมือถือ
  • Uranium minerals occur disseminated along foliation, as replacements and stockwork fracture-fillings.
  • To the south there is the Mathiati-Margi massive sulfide ore body and stockwork mineralisation.
  • Gold was almost entirely extracted from a stockwork-type mineralisation within the Neoproterozoic Cox sandstone.
  • Successive envelopes of hydrothermal alteration typically enclose a core of disseminated ore minerals in often stockwork-forming hairline fractures and veins.
  • Being the classic breastplate for English riding, campdrafting or stockwork, the stockman's or hunting breastplate is the most common type.
  • This may be seen in many granite intrusions where later aplite veins form a late-stage stockwork through earlier phases of the granite mass.
  • The greenish phyllites are rich in phyllosilicates, amphiboles and large crystals of pyrite while the amphibolites contain quartzite veins showing stockwork patterns surrounded by muscovite.
  • In general, porphyry deposits are characterized by low grades of ore mineralization, a porphyritic intrusive complex that is surrounded by a vein stockwork and hydrothermal breccias.
  • Young Ben spent his early years working with horses and cattle, developing his expertise in stockwork and bushcraft, skills which would stand him in good stead in later years.
  • Quartz and quartz-feldspar veins form a stockwork with minor mineralisation, whilst greisen bordered veins are found in a sheeted vein system with wolframite and minor cassiterite mineralisation . s
  • VMS deposits have an ideal form of a conical area of highly altered volcanic or volcanogenic sedimentary rock within the feeder zone, which is called the "'stringer sulfide "'or "'stockwork "'zone, overlain by a mound of massive exhalites, and flanked by stratiform exhalative sulfides known as the "'apron " '.