Definition of Ptygmatic. Meaning of Ptygmatic. Synonyms of Ptygmatic

Here you will find one or more explanations in English for the word Ptygmatic. Also in the bottom left of the page several parts of wikipedia pages related to the word Ptygmatic and, of course, Ptygmatic synonyms and on the right images related to the word Ptygmatic.

Definition of Ptygmatic

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Meaning of Ptygmatic from wikipedia

- differential compaction or dissolution during sedimentation and lithification. Ptygmatic: Folds are chaotic, random and disconnected. Typical of sedimentary slump...
- scale. Migmatites often appear as tightly, incoherently folded veins (ptygmatic folds). These form segregations of leucosome, light-colored granitic components...
- Porphyroclastic Porphyroblastic Porphyritic texture; see also porphyry Ptygmatic (folding); see migmatite Quench textures; see obsidian, tachylyte or aphanitic...
- graphitic and siliceous cherts, often finely laminated and expressing ptygmatic folding post-sedimentation. It is considered to be an exhalative deposit...
- and feldspar rich greisenised pegmatite. These veins are typically ptygmatically folded. The deposit is typically shear hosted with the morphology of...