423 Views

Describe important textures associated with metamorphic rock.


Arun st 6th Dec, 2019
Answer (1)
S. Saha Student Expert 6th Dec, 2019
There are two types of textures in Metamorphic Rocks and those are- Foliated and Non Foliated. Due to geological changes these types are created.

Again, Foliated ( caused by pressure) texture can be subdivided in 4 parts on the basis of increasing metamorphic grade. These types of rocks have a layered or banded appearance.
  • Slaty Texture- This texture is caused by the parallel orientation of microscopic grains.
  • Phyllitic Texture- This texture is formed by the parallel arrangement of macroscopic grains ( platy minerals, micas).
  • Schistose Texture- This texture resulting from the subparallel to parallel orientation of platy minerals such as chlorite or micas.
  • Gneissic Texture- This is a coarsely foliated texture in which the minerals have been segregated into discontinuous hands, each of which is dominated by one or two minerals.

Non Foliated- These rocks formed around igneous intrusions where the temperatures are high but the pressures are relatively low and equal in all directions. Example- Hornfels, marble, quartzite, and novaculite, do not have a layered or banded appearance.

Related Questions

Amity University | B.Sc Admis...
Apply
Ranked amongst top 3% universities globally (QS Rankings)
Manav Rachna | B.Sc Admission...
Apply
NAAC A++ Grade | Recognized as Category-1 Deemed to be University by UGC
UPES B.Sc Admissions 2026
Apply
Ranked #45 Among Universities in India by NIRF | 1950+ Students Placed, 91% Placement, 800+ Recruiters
JIIT Online MBA
Apply
Apply for Online MBA from Jaypee Institute of Information Technology
UPES M.Sc Admissions 2026
Apply
Ranked #45 Among Universities in India by NIRF | 1950+ Students Placed 91% Placement, 800+ Recruiters
JSS University Mysore 2025
Apply
NAAC A+ Accredited| Ranked #24 in University Category by NIRF | Applications open for multiple UG & PG Programs
View All Application Forms

Download the Careers360 App on your Android phone

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

150M+ Students
30,000+ Colleges
500+ Exams
1500+ E-books