Goh Cheng Leong Chapter 2: The Earth's Crust (Physical and Human Geography)
World Geography Solved MCQ question bank @ www.doorsteptutor.com/Exams/I...
Dr. Manishika Jain explains the Goh Cheng Leong Chapter 2: The Earth's Crust (Physical and Human Geography).
Structure of Earth @0:09
Rock Classification - Igneous @2:24
Rock Classification - Sedimentary @5:44
Chemically @6:19
Organically @6:50
Mechanically @7:29
Rock Classification - Metamorphic @7:57
Mountain Orogeny @8:34
Types of Mountains - Fold @11:03
Types of Mountains - Block @14:45
Types of Mountains - Volcanic @16:32
Types of Mountains - Residual @17:23
Types of Plateaux - Tectonic @18:29
Types of Plateaux - Volcanic @19:29
Types of Plateaux - Dissected @20:02
Types of Plains @20:54
Types of Plains - Depositional @21:46
Types of Plains - Erosional @23:21
#Quartzite #Cemented #Mudstone #Mechanically #Sedimentary #Monuments #Intrusive #Diorite #Igneous #Crust #Manishika #Examrace
Silica - Acid, less dense & light
Fe, Al & Mg - Basic, dense & dark
Plutonic - at depth, cool and solidify slowly - intrusive (granite, diorite & gabbro)
Volcanic - lava, rapid solidify, small crystals, basalt, extrusive
Basalt - polygonal columns in Giant Causeway Antrim (N. Ireland), Deccan (India), Columbia-Snake (USA) - Dyke (𝕀) & Sills (−)
Stratified
Non-crystalline
Fossils
Mechanically: cemented together, sandstone - coarse (grit); round (conglomerate); angular (breccia); fine - clay & mudstone
Organically: living organisms, calcareous (limestone & chalk); carbonaceous (swamp & forest) - coal (peat, lignite and coal)
Chemically: rock salt (seabeds), gypsum or 𝐶𝑎〖𝑆𝑂〗_4 - Dead Sea, Potash & nitrates
Rock Classification - Metamorphic
Changed
Pressure and heat
Clay → Slate
Limestone → Marble
Sandstone → Quartzite
Granite → Gneiss
Shale → Schist
Coal → Graphite
Mountain Orogeny
Types of Mountains -Fold
Fold Mountain - stress and wrinkles, fold on line of weakness, mountains of elevation
Overfold, Recumbent and nappe
Volcanic (Circum Pacific)
Sn, Cu, Au & petroleum
Types of Mountains -Block
Faulting - Tension or Compression
Horst or block
Garben or rift
Tension - Hunsruck, Vosges & Black Forest, East African Rift Valley - Major (subside)
Compression - Thrust or reverse fault (uplift)
Types of Mountains -Volcanic
Lava, bomb, cinder, ash, dust
Mountain of accumulation
Mt. Fuji (Japan)
Mt. Mayon (Philippines)
Mt. Merapi (Sumatra)
Mt. Agung (Bali)
Mt. Catopaxi (Ecuador)
Types of Mountains -Residual
Denudation
Mt. Manodrock (USA)
Dissected Plateaux - downcutting - Scotland, Scandinavia and Deccan
Types of Plateaux - Tectonic
Tablelands
Earth movements
Deccan (India)
Tilted - Meseta (Iberia)
Faulted - Harz (Germany)
Intermont - b/w 2 mountains (Tibetan b/w Himalayas and Kunlun; Bolivia b/w Andes)
Types of Plateaux - Volcanic
Basaltic - lava - solidify
Antrim (N. Ireland)
NW Deccan (India)
Columbia-Snake (USA)
Types of Plateaux - Dissected
Weathering and erosion
Deep cuts
Stream and glacial actions
Scottish Highlands
Mesa and butte (SW USA)
Brazilian plateau (Minas Gerias) - Fe & Mn
Deccan - Mn, Fe and Coal
W. Australia - Au & Fe
Types of Plains
Area of lowland
Low hills with rolling topography
Indo-Gangetic plain
Mississippi plains
Yangtze plain
Grasslands
Russian - Steppes
N. America - Prairies
Argentina - Pampas
Structural - structurally depressed and lowlands - Russian, Great Plains and lowlands of Australia
Types of Plains - Depositional
Deposition by various agents
Rivers - alluvial plains, flood plains and deltas
Nile, Egypt: Rice and cotton
Ganga, India: jute and rice
Hwang Ho, China: many crops
Glacial - outwash plains (boulder clay) - barren - Holland and N. Germany; Midwest USA; East Anglia (England)
Coastal - waves and winds- Belgium, Netherlands, Gulf coast of USA (lowlands) & Florida to Texas (uplands)
Aeolian - loess - China, Pampas- fill grooves
Types of Plains - Erosional
By agents of erosion - wind, water, rain, ice
Plains of denudation - peneplains (humid)
River deepen and widen (highlands are lowered)
Glaciated - ice-scoured plains - hollows scoop out ice and filled with water; Finland - 35,000 lakes with 10% area
Wind - deflation - eroded material; stony plains - reg in Africa - mountains with gentle slope pediments and pediplains (arid & semi-arid with inselbergs- steep hills)
For more topics in geography visit - www.doorsteptutor.com/Exams/I...
0:00 Introduction
0:08 Structure of Earth
2:18 Rock Classification - Igneous
5:48 Rock Classification - Sedimentary
7:57 Rock Classification - Metamorphic
8:33 Mountain Orogeny
11:15 erfold, Recumbent and na
13:32 Types of Mountains -Fold Fold Mountain -stress and wrinkles, fold on
14:45 Types of Mountains -Block
16:30 Types of Mountains -Volcanic
17:19 Types of Mountains -Residual
18:10 Types of Plateaux - Tectonic
19:25 Types of Plateaux - Volcanic
20:00 Types of Plateaux - Dissected
21:44 Types of Plains - Depositional
23:20 Types of Plains - Erosional By agents of erosion - wind, water, rain, ice #examrace #upsc #ugcnet
Пікірлер: 100
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Wonderful ma'am , you are really such a hardworking person If not possible , atleast try to cover the important areas from GC Leong which are asked in prelims Like the end chapters on climatic locations (western margin , eastern margin etc) Ocean currents, You can skip the landform chapters are those are not asked Again, Thank you ma'am . You are a saviour
make some more videos of gc leong... its really very helpful! thanks to the lady
u r already doing a great job by helping students who study at home and cant afford expensive classes.. so i really request you to complete the series by completing the remaining chapters.. we all will really appreciate your efforts.. thank you
@akkiikumari1771
Жыл бұрын
Really ur lectures amazing
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Very useful kindly complete the other topics too
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mam complete this book as much early as pssible you are proved to be gog for ups aspirants
You're God Ma'am...Thank you so much
Thank U Mam.
Good video... Very useful
Mam a correction needed in 3:28 ....you mentioned manganese i.e., Mn bt its written Mg i.e., magnesium
thanks maam
thankx mam. bt plzz .. complete the whole book chapter wise as soon as possible
First time i feel ...... geography .....thnks mam....
Thnxx
Thank you mam
madam ur teaching is good ..please update the remaining chapters of gc leong
Thank u mam. plzzzz complete G.C.Leong series plz mam
mam pls cover more chapters....u teach very lucidly
Nice explanation miss
tq....mam
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Very good
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Really useful madam
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Thanku mam...This is very help full to make note of books...For overall structure of book...Can u make such videos for all the important books like m laxmikant and spectrum also.? Plz mam .I am unable to found that on KZread...I need this type of videos .plz and thanku mam
Mam I have listen your video or once reading I done by book for revision I have you handouts. Mam handouts will be enough for revision or I should read book again? Because mam to read book again much time consuming.
I can afford coaching classes , your lecture help me a lot to understand concepts from home , i follow you on Philoid also mam.
Mam please make playlist of this gc Leong book
Please complete series fast please
Respected mam, Where can we get the ppt that u r using for lectures. If u can provide us with that it will be very helpful for us in revision
@Examrace
6 жыл бұрын
Refer - www.examrace.com/Study-Material/Geography/Goh-Cheng-Leong/
@awesomevideos6936
4 жыл бұрын
@@Examrace thank you
mam please cover the remaining chapters of g.c leong as soon as possible as prelims r coming really fast.. please mam
Mam plz tell me part 2 of gc leong is that much imp or not plz give me the reply mam
mam please cover BA geography chapter in ur lecture
thanks alot mam please complete whole book before prelims
@Examrace
6 жыл бұрын
We plan to cover that before prelims 2018.
Tomorrow i have to teach this lesson Thanks💐
It is necessary to cover all the 25 chapters..in GC Leon book
madam chapter ki exercise bhi kara dia kare ....video ke and m
mam where can u get pdf of your chapters if u can plz provide
@Examrace
2 жыл бұрын
Available at www.examrace.com/Study-Material/Geography/Goh-Cheng-Leong/
😊
PLEASE SAVE US FROM THE DEMON OF GEOGRAPHY BY COMPLETING THIS BOOK BEFORE 18th June, only 20 days
@Examrace
6 жыл бұрын
Check - www.doorsteptutor.com/Exams/IAS/Prelims/World-Geography/
Jai hind sir
ma'am aapko Panvel jana hai kya
Couldnt locate lectures frm chapter 7-14....can u plz do it asap....very useful lectures..tq soo much..could u also include wt are necessary in point of upsc??
@Examrace
6 жыл бұрын
Refer - kzread.info/head/PLW9kB_HKs3_PmZDU-stH6X3_EJoWSCDGl
Hi. Have two requests: 1. Update the number of satellites for the planets (eg. Jupiter currently has 69 satellites) 2. Could not locate lectures for Chaper 7 to 14. Thanks.
@Examrace
6 жыл бұрын
Chapter 7 to 14 coming soon. Yes, as of June 2017, Jupiter has 69 moons.
Videos are amazing but take it as summary, firstly read chapters from book and then revise from here.
Mam share notes mam
mam, how to start upsc 2019 from beginning ( ENGLISH medium) means what to learn , write. etc.
@Examrace
6 жыл бұрын
Start with NCERT Class 6 to 10 for science and 6 to 12 for social science.
@PujaKumari-bp2zy
6 жыл бұрын
thanks mam
3
No extra word and no unnecessary word come out from your mouth mam
Sima is Si, Fe, Mg
Mam do we need tk study GC leong after writing ur motes
@nehaduniwal5508
6 жыл бұрын
Notes *
@Examrace
6 жыл бұрын
Not required, if time permits you can go for it.
@nehaduniwal5508
6 жыл бұрын
Examrace n wht a bht other chapters which U have not made Plz tell when u will make that Only 14 chapters r completed n there r around 25 chapters
@Examrace
6 жыл бұрын
Are in progress and will be covered shortly.
Ma'am is this important for CBSE net geography exam??? (Goh Cheng Leong)
@Examrace
6 жыл бұрын
Yes you should cover this.
@shikhaawasthi5069
6 жыл бұрын
Examrace thanks Ma'am
Q.. Please reply as soon as possible Mam. initial stage me earth surface solidify hua hoga to Sara surface rock same hona chahiye.how's this different ki continent me SIAL and ocean floor me SIMA hai
Madam please geography related sare video hindi m bhi upload kre,
@Examrace
6 жыл бұрын
Please subscribe to KZread Examrace Hindi Channel - kzread.info
Hello...Ur lectures are really very gud...But u have to explain some more deeply...
Good vedio Ma'am complete the entire Goh ceh leong book Also other books also It wl be helpful for UPSC MAINS 2017