UPSC Exam  >  UPSC Questions  >  What are the different types of folds and the... Start Learning for Free
What are the different types of folds and their characteristics according to the syllabus?
Most Upvoted Answer
What are the different types of folds and their characteristics accord...
Folds and their Characteristics

Folds are geological structures that are formed when rocks are subjected to compressive forces. They are found in different types and each has its own distinct characteristics. The types of folds include:

1. Anticline
- An anticline is a fold that is convex upwards, meaning the limbs of the fold dip away from the axis.
- The oldest rocks are found in the core of the fold, while the youngest rocks are found on the outer edges.
- Anticlines are often associated with the accumulation of petroleum and natural gas, as these resources can be trapped within the folded rocks.

2. Syncline
- A syncline is a fold that is concave upwards, meaning the limbs of the fold dip towards the axis.
- The youngest rocks are found in the core of the fold, while the oldest rocks are found on the outer edges.
- Synclines are often associated with the deposition of sedimentary rocks, as the folding process can create basins that collect sediments.

3. Monocline
- A monocline is a fold that consists of a single limb, creating a step-like structure.
- Monoclines are often formed by the tilting of previously horizontal rock layers due to tectonic forces.
- They can be found in areas of uplift and are commonly associated with the formation of cliffs and scarps.

4. Overturned fold
- An overturned fold is a type of fold in which the axial plane is tilted beyond vertical, causing one limb to be completely overturned.
- The older rocks are found on top of the younger rocks due to the folding process.
- Overturned folds are often associated with intense deformation and can be indicative of significant tectonic activity.

5. Nappe fold
- A nappe fold is a large-scale fold that involves the folding of multiple rock layers into a stack.
- The rock layers are typically thrust over each other, creating a series of overlapping folds.
- Nappe folds are commonly found in mountainous regions and are associated with the collision of tectonic plates.

In conclusion, folds are diverse geological structures that are formed under different conditions. Each type of fold has its own unique characteristics and can provide valuable insights into the geological history and tectonic processes of an area. Understanding the different types of folds is important for geologists and helps in interpreting the rock formations and structures they observe in the field.
Explore Courses for UPSC exam

Similar UPSC Doubts

Read the information given below carefully and answer the following question.Studies of the factors governing reading development in young children have achieved remarkable degree of consensus over the past two decades. This consensus concerns the casual roles of phonological skills in young children’s progress. Children, who have good phonological skills, or good “phonological awareness” become good reader and good spellers. Children with poor phonological skills progress more poorly. In particular, those who have specific phonological deficit are likely to be classified as dyslexic by the time that they are 9 or 10 years old. Phonological skill in young children can be measured at a number of different levels. The term phonological awareness is a global one, and refer to a deficit in recognising smaller units of sound within spoken words. Development work has shown that this deficit can be at level of syllables, of onsets and rimes, or of phonemes. For example, a 4-year old child might have difficulty in recognising that a word like valentine has three syllables, suggesting a lack of syllabic awareness. A 5-year old might have difficulty in recognising that theodd word out in the set of words fan, cat, hat, mat is fan. This task requires an awareness of the sub-syllabic units of the onset and the rime. The onset corresponds to any initial consonant in the syllable, and the rime corresponds to the vowel and to any following consonants. Rimes correspond to rhyme in single-syllable words, and so the rime in fan differs from the rime in cat, hat and mat. In the longer words, rime and rhyme may differ. The onsets in val:en:tine are/v/and/t, and the rimes correspond to the spelling patterns ‘al’, ‘en’, and ‘ine’.A 6-years-old might have difficulty in recognising that plea and pray begin with the same initial sound. This is phonemic judgement. Although the initial phoneme/P/is shared between two words, in plea its part of the onset ‘pl’, and in pray it is part of the onset ‘pr’. Until children can segment the onset (or the rim e), such phonemic judgements are difficult for them to make. In fact, a recent survey of different development studies has shown that the different development studies have shown that the different levels of phonological awareness appear to emerge sequentially. The awareness of syllables, onsets, and rimes appear to emerge at around the age of 3 and 4, long before most children go to school. The awareness of phonemes, on the other hand, usually emerges at around the age of 5 and 6, when children have been taught to read for about a year. An awareness of onsets and rimes thus appears to be precursor of reading, whereas an awareness of phonemes at every serial position in a word, only appears to developas reading is taught. The onset-rime and phonemic levels of phonological structure, however, are not distinct. Many onsets in English are single phonemes, and so are some rimes (e.g. sea, go, zoo).Q.From the following statement, pick out the true statement according to the passage

Top Courses for UPSC

What are the different types of folds and their characteristics according to the syllabus?
Question Description
What are the different types of folds and their characteristics according to the syllabus? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about What are the different types of folds and their characteristics according to the syllabus? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What are the different types of folds and their characteristics according to the syllabus?.
Solutions for What are the different types of folds and their characteristics according to the syllabus? in English & in Hindi are available as part of our courses for UPSC. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
Here you can find the meaning of What are the different types of folds and their characteristics according to the syllabus? defined & explained in the simplest way possible. Besides giving the explanation of What are the different types of folds and their characteristics according to the syllabus?, a detailed solution for What are the different types of folds and their characteristics according to the syllabus? has been provided alongside types of What are the different types of folds and their characteristics according to the syllabus? theory, EduRev gives you an ample number of questions to practice What are the different types of folds and their characteristics according to the syllabus? tests, examples and also practice UPSC tests.
Explore Courses for UPSC exam

Top Courses for UPSC

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev