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2. Foliation (geology) - Wikipedia

   en.wikipedia.org/wiki/Foliation_(geology)

   Foliation in geology refers to repetitive layering in metamorphic rocks. [1] Each layer can be as thin as a sheet of paper, or over a meter in thickness. [ 1 ] The word comes from the Latin folium , meaning "leaf", and refers to the sheet-like planar structure. [ 1 ]

3. Bed (geology) - Wikipedia

   en.wikipedia.org/wiki/Bed_(geology)

   In geology, a bed is a layer of sediment, sedimentary rock, or volcanic rock "bounded above and below by more or less well-defined bedding surfaces". [1] A bedding surface or bedding plane is respectively a curved surface or plane that visibly separates each successive bed (of the same or different lithology ) from the preceding or following bed.

4. Foliation - Wikipedia

   en.wikipedia.org/wiki/Foliation

   A foliation of codimension q and class C r on M is a maximal foliated C r-atlas of codimension q on M. [14] In practice, a relatively small foliated atlas is generally used to represent a foliation. Usually, it is also required this atlas to be regular. In the chart U i, the stripes x = constant match up with the stripes on other charts U j.

5. Fabric (geology) - Wikipedia

   en.wikipedia.org/wiki/Fabric_(geology)

   Primary fabric (bedding) shown by abrupt change in clast size, secondary fabric shown by penetrative S-fabric, cleavage, in fine-grained rock, and by shape fabric in deformed volcanic clasts. Cape Forchu, Nova Scotia. In geology, a rock's fabric describes the spatial and geometric configuration of all the elements that make it up.

6. Cleavage (geology) - Wikipedia

   en.wikipedia.org/wiki/Cleavage_(geology)

   If the heat is too intense, foliation will be weakened due to the nucleation and growth of new randomly oriented crystals and the rock will become a hornfels. [1] If minimal heat is applied to a rock with a preexisting foliation and without a change in mineral assemblage, the cleavage will be strengthened by growth of micas parallel to foliation.

7. Sedimentary structures - Wikipedia

   en.wikipedia.org/wiki/Sedimentary_structures

   These structures are within sedimentary bedding and can help with the interpretation of depositional environment and paleocurrent directions. They are formed when the sediment is deposited. Cross-bedding Cross-bedding is the layering of beds deposited by wind or water inclined at an angle as much as 35° from the horizontal. [1]