lechatelierite造句

• The primary SiO 2 phase in fulgurites is lechatelierite, a silica glass.
• They frequently contain bubbles and lechatelierite inclusions.
• During the rapid pressure reduction following the impact, steam expanded the newly formed lechatelierite.
• Lechatelierite was formed during the impact of a meteorite into a layer of Coconino Sandstone at Meteor Crater in Arizona.
• Fourth, the flow-banding within tektites often contains particles and bands of lechatelierite, which are not found in terrestrial volcanic glasses.
• Lechatelierite also forms as the result of high pressure shock metamorphism during meteorite GPa are needed to produce lechatelierite in quartz grains embedded in granite.
• Lechatelierite also forms as the result of high pressure shock metamorphism during meteorite GPa are needed to produce lechatelierite in quartz grains embedded in granite.
• Thielsen's spire-like top is hit by lightning so frequently that some rocks on the summit have melted into a rare mineraloid known as lechatelierite, a variety of fulgurite.
• Lechatelierite may also form artificially, a unique example being the " trinitite " produced by melting of quartz sand at the first nuclear bomb explosion at Trinity Flats, White Sands, New Mexico.
• Lechatelierite ( silica glass ), as well as coesite and stishovite ( high pressure forms of SiO 2 ) were formed during the impact of a meteorite into the Coconino Sandstone at Barringer Crater in Arizona.
• "' Fulgurites "'( from the Latin " fulgur ", meaning " lightning " ) are classified generically as a variety of the mineraloid lechatelierite, although their absolute chemical composition is dependent on the physical and chemical properties of target material affected by the discharge of cloud-ground lightning.