英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Trachyte - Wikipedia
    Trachyte is the usual silica-rich end member of the alkaline magma series, in which alkaline basaltic magma experiences fractional crystallization while still underground This process removes calcium, magnesium, and iron from the magma to give it a composition close to that of alkali feldspar
  • Trachyte : Composition, Formation, Classification and Uses
    Trachyte is a type of volcanic rock that falls within the category of extrusive igneous rocks It is characterized by its unique composition and texture, which make it distinct from other volcanic rocks like basalt, andesite, and rhyolite
  • Trachyte | Properties, Uses Formation | Britannica
    Trachyte, light-coloured, very fine-grained extrusive igneous rock that is composed chiefly of alkali feldspar with minor amounts of dark-coloured minerals such as biotite, amphibole, or pyroxene Compositionally, trachyte is the volcanic equivalent of the plutonic (intrusive) rock syenite
  • Trachyte - Igneous Rocks - Sandatlas
    Trachyte is a fine-grained and generally light-colored volcanic rock that usually has a rough surface to the touch which is the reason it was given that name (trachys is ‘rough’ in the Greek language)
  • Understanding Trachyte, a Fine-grained Volcanic Rock
    Trachyte is fine-grained, usually light-colored volcanic or extrusive igneous rock It has an intermediate composition with its essential alkali feldspar, lesser plagioclase, and minor mafic minerals Also, it may have none to a small amount of quartz
  • Trachyte: Mineral information, data and localities. - mindat. org
    Trachyte grades into latite as the alkali feldspar content decreases, and into rhyolite with an increase in quartz Trachyte appears in field 7 in the QAPF diagram Trachyte is found in field T in the TAS diagram A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium
  • Geology - rocks and minerals - University of Auckland
    Trachyte is an extrusive rock, belonging to the alkali series of intermediate volcanic rocks The major mineral component of trachyte is alkali feldspar (e g orthoclase), and it generally contains no quartz
  • Trachyte - MiMaEd
    One such intriguing geological specimen is Trachyte, a volcanic rock with unique characteristics and widespread applications In this in-depth guide, we will explore the various aspects of Trachyte, from its composition and texture to its origin, classification, and practical uses
  • What Is Trachyte | Trachyte Features - rocks. comparenature. com
    Trachyte is an igneous volcanic rock with an aphanitic to porphyritic texture It is the volcanic equivalent of syenite rock and forms as a result of magmatic differentiation What is Trachyte? In this section, we will learn more about properties of Trachyte i e physical and thermal properties
  • Porphyritic Trachyte Composition and Formation | Earth Know
    Trachyte is usually a fine-grained volcanic rock that forms on the Earth’s surface Its composition lies between the silica-rich felsic and silica-poor mafic rocks However, it often has other textures, such as trachytic, glassy, porphyritic, or pumiceous





中文字典-英文字典  2005-2009