| 词汇 | porphyroblast |
| 语种 | 英语、汉语、英汉翻译、汉英翻译 |
| 释义 | BETA Examples of porphyroblastporphyroblast isn’t in the Cambridge Dictionary yet. You can help! The internal inclusion trail geometries preserved within a first phase of porphyroblast growth. The wrapping of mica-rich matrix foliation around the garnets indicates continuum of deformation after porphyroblast growth. Note the chloritoid porphyroblast to the upper left. S1 wraps around a chloritoid-cored chlorite porphyroblast. The core of the augen is a porphyroblast or porphyroclast of a hard, resilient mineral such as garnet. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Whereas most researchers are convinced that porphyroblast may rotate during deformation, some believe that porphyroblasts do not rotate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The augen grows by crystallisation of a "mantle" of new mineral around the porphyroblast. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. From the texture (if any) shown in the inclusion, the deformation history of the rock can be interpreted, as the inclusions are always older than the porphyroblast. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The relationship of porphyroblast growth to deformation is typically evaluated by comparing the shape orientation of trails of mineral inclusions in the porphyroblast to the matrix fabric. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Metamorphic textures include those referring to the timing of growth of large metamorphic minerals relative to a phase of deformation before deformation porphyroclast after deformation porphyroblast. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Partitioning of deformation along an orogen and its effects on porphyroblast growth during orogenesis. |
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