Home » Current Affairs In-depths & Editorials » GS1 » Geography » E Prime Layer

E Prime Layer

Santhosh Kumar 22/11/2023

E Prime Layer mind map
Context
Study by international team
Researchers included
Arizona State University
Source
Astrobiology
E-Prime Layer
Distinct layer
Outermost part of Earth's core
Formation
Surface water penetration
Over billions of years
Characteristics
Hydrogen-rich
Silicon-depleted
Reaction with core's silicon
Core-mantle boundary
Previous belief
Minimal material exchange
Core and mantle
New findings
Tectonic plates transport
Surface water
To core-mantle boundary
Depth of around 1,800 miles
Chemical reaction
Forms silica
Creates E-Prime Layer
Significance
Understanding of
Earth's processes
Magnetic field
Heat generation
Plate tectonics
Earth's layers & Discontinuties
Crust
Mohorovičić Discontinuity (Moho)
Mantle
Upper
Repetti Discontinuity
Transition
Lehmann Discontinuity
Lower
Gutenberg Discontinuity
Outer Core
Lehmann Discontinuity
Core-mantle boundary
Inner Core
Bullen Discontinuity
Inner core boundary

If you like this post, please share your feedback in the comments section below so that we will upload more posts like this.

Related Posts

19/04/2024 / Geography, Space

Yamuna Floodplain News Yamuna water levels reached 60 year high Yamuna waters advanced towards Taj Mahal 1st time in half a century Highlights Yamuna river system Includes river and adjoining lands Passes through several states Uttarakhand, Himachal Pradesh, Uttar Pradesh Haryana, Delhi, Rajasthan, Madhya Pradesh Drainage area: 366,220 sq km Yamuna River Course Enters Delhi from Palla village (38.5 km from national capital) Exits at Okhla barrage Three stretches Northern (Palla to Wazirabad barrage, 26 km) Central (Wazirabad to Okhla barrage, 22 km) Southern (Okhla barrage to Jaitpur village, 4 km) Floodplain Composition Between Palla and Okhla Changes from farmlands to slums, colonies, flyovers, bridges Permanent structures like Ring Road, Akshardham Temple complex, etc. Area and Boundaries Designated as O zone by Delhi Development Authority Covers approximately 9,700 hectares in Delhi Two km wide on each side of river Impact of Construction and Encroachments Significant reductions in boundaries due to urbanization Lead to reduced groundwater recharge, limited river's spread, increased pollution People and Livelihoods Home to 56 bastis with 9,350 households and 46,750 people Half engage in farming, others rely on daily wage work, fishing, etc. Farmers cultivate rice, wheat, flowers on fertile silt Environmental Impact and Conservation Floodplains slow water runoff, recharge groundwater, store excess water Construction activities negatively impacted ecological health Flood Protection and Climate Resilience Proper management and zoning essential for flood protection Poorly implemented policies allowed for encroachment and construction Efforts for River Cleanup Action plans initiated but pollution remains a concern Large parts of floodplains and riverbed abused

Yamuna Floodplain

25/07/2023 / Places/Locations (Map)

Batagaika Crater

Batagaika Crater

10/05/2024 / Geography

Yasuni National Park

Yasuni National Park

22/08/2023 / Places/Locations (Map), South America (Brazil; Argentina; etc)

Categories: Geography

Tags: 22.11.2023, Newsbits

Subscribe

0 Comments

Inline Feedbacks

View all comments

X