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IGNOU BGYCT-135 Petrology - IGNOU Solved Assignment (Latest)

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IGNOU - BGYCT-135 (Jan 25 - Dec 25, Jan 24 - Dec 24) Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment BGYCT-135 - Petrology? Then GullyBaba is the right place for you. We have the Assignment available in English and Hindi language. This particular Assignment references the syllabus chosen for the subject of Geology, for the January 2024 - December 2024 session. The code for the assignment is BGYCT-135 and it is often used by students who are enrolled in the BSCG Degree. Once students have paid for the Assignment, they can Instantly Download to their PC, Laptop or Mobile Devices in soft copy as a PDF format. After studying the contents of this Assignment, students will have a better grasp of the subject and will be able to prepare for their upcoming tests.

PLEASE MATCH YOUR ASSIGNMENT QUESTIONS ACCORDING TO YOUR SESSION

IGNOU BGYCT-135 (January 2025 – December 2025) Assignment Questions

Part A

1. Write short notes on the following:

a) Rock cycle
b) Tabular classification of igneous rocks

2. Discuss different types of structures found in igneous rocks with the help of neat well labelled diagrams.

3. Explain crystallisation behaviour of binary system with complete solid solution of two end members with the help of neat well labelled diagrams.

4. Describe the megascopic and microscopic characters of gabbro and basalt with help of neat well labelled diagrams.

5 Discuss role of Bowen’s reaction series in the differentiation of igneous rocks.

Part B

6. Describe different types of secondary sedimentary structures with the help of neat well labelled diagrams.

7. Differentiate the following:

a) Extrusive and intrusive igneous rocks
b) Non-clastic and clastic rocks

8. Explain the factors affecting metamorphism, in detail.

9. Explain different types of structures found in metamorphic rocks with help of neat well labelled diagrams.

10. Discuss the megascopic and microscopic characters of following rocks:

a) Quartzite
b) Sandstone

IGNOU BGYCT-135 (January 2024 – December 2024) Assignment Questions

Part A

1. Write short notes on the following:

a) Extraterrestrial Rocks
b) Phase Rule

2. Discuss the different types of textures found in igneous rocks with the help of neat well labelled diagrams.

3. Describe various mechanisms of magmatic differentiation.

4. Discuss the megascopic and microscopic characters of granite and basalt with the help of neat well labelled diagrams.

5. Discuss the IUGS Classification of Igneous rocks.

Part B

6. Explain briefly the secondary sedimentary structures.

7. Describe palimpsest textures present in the metamorphic rocks.

8. Discuss the classification of sedimentary rocks based on size and shape of grains.

9. Write short notes on:

a) Lithification and diagenesis
b) Ripple marks
c) Zones of metamorphism
d) Metamorphic facies

IGNOU BGYCT-135 (January 2025 – December 2025) Assignment Questions

Part A

1. निम्नलिखित पर संक्षिप्त टिप्पणियां लिखें :

a) शैल चक्र
b) आग्नेय शैलों का सारणीय वर्गीकरण

2. आग्नेय शैलों में पाये जाने वाली विभिन्न प्रकार की संरचनाओं को स्पष्ट रेखांकित आरेखों की सहायता से समझाइए ।

3. दो अंतिम सदस्यों के पूर्ण ठोस विलयन के साथ प्रणाली के क्रिस्टलीकरण व्यवहार की स्पष्ट रेखांकित आरेखों की सहायता से व्याख्या करें।

4. स्पष्ट रेखांकित आरेखों की सहायता से गैब्रो तथा बेसाल्ट के स्थूल तथा सूक्ष्मदर्शीय लक्षणों की विवेचना कीजिए ।

5. आग्नेय शैलों के विभेदन में बॉवेन अभिक्रिया श्रृंखला की भूमिका की चर्चा कीजिए ।

Part B

6. अवसादी शैलों में पाये जाने वाली विभिन्न प्रकार की द्वितीयक संरचनाओं का स्पष्ट रेखांकित आरेखों की सहायता से वर्णन कीजिए ।

7. निम्नलिखित में अंतर स्पष्ट कीजिए:

a) अंतर्वेधी तथा बहिर्वेधी आग्नेय शैल
b) अखंडाश्म तथा खंडाश्म अवसादी शैल
8. कायांतरण को प्रभावित करने वाले कारकों की विस्तारपूर्वक व्याख्या कीजिए ।

9. कायांतरित शैलों में पाये जाने वाले विभिन्न प्रकार की संरचनाओं को स्पष्ट रेखांकित आरेखों की मदद से समझाइए ।

10 निम्नलिखित शैलो के स्थूल तथा सूक्ष्मदर्शीय लक्षणों की व्याख्या कीजिए:

a) संगमरमर
b) बालुकाश्म

IGNOU BGYCT-135 (January 2024 – December 2024) Assignment Questions

Part A

1. निम्नलिखित पर संक्षिप्त टिप्पणियां लिखें:

a) पार्थिवेतर शैल
b) प्रावस्था नियम

2. आग्नेय शैलों में पाये जाने वाले विभिन्न गठन के संरचनों को स्पष्ट रेखांकित आरेखों की सहायता से समझाइए ।

3. मैग्मीय विभेदन की विभिन्न प्रक्रियाओं का वर्णन करें।

4. स्पष्ट आरेखों की सहायता से ग्रेनाइट और बेसाल्ट के स्थूल तथा सूक्ष्मदर्शीय लक्षणों की विवेचना कीजिए ।

5. आग्नेय शैलों के IUGS वर्गीकरण पर चर्चा करें।

Part B

6. अवसादी शैल में द्वितीयक अवसादी संरचनाओं का संक्षिप्त में वर्णन कीजिए।

7. कायांतरित शैलों में पाये जाने वाले मूलावशेषी गठन का वर्णन कीजिए ।

8. कणों के आकार और आकृति के आधार पर अवसादी शैलों के वर्गीकरण पर चर्चा करें।

9. निम्नलिखित पर संक्षिप्त टिप्पणियां लिखें:

a) शिलीभवन और प्रसंघनन
b) ऊर्मिका चिह्न
c) कायांतरण के मण्डल
d) कायांतरित संलक्षणी

BGYCT-135 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Petrology
Language(s) : English, Hindi
Code : BGYCT-135
Degree :
Subject : Geology
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

Assignment Submission End Date-upto

The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.

  • 30th April (if Enrolled in the June Exams)
  • 31st October (if Enrolled in the December Exams).

What’s Included

In this section you can find other relevant information related to the Assignment you are looking at. It will give you an idea of what to expect when downloading a PDF soft copy from GullyBaba.

  • All Solved Answers By IGNOU Experts.
  • Available for 3 Times for Download.
  • Downloadable Soft Copy in PDF.
  • Print Ready Format: A4 (21 x 29 x .20 cm (Width x Length x Height)
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Assignment-BGYCT-135

Petrology

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