Biotic-abiotic mingle in rock varnish formation: A new perspective

AS Chaddha, A Sharma, NK Singh, A Shamsad… - Chemical …, 2024 - Elsevier
Rocks in arid to semi-arid regions all over the world have a naturally occurring coating
called “rock varnish” or “desert varnish” on their surface. These lustrous, black-to-brown …

Rock Varnish: Nature's Shield

AS Chaddha, A Sharma, NK Singh… - ACS Earth and Space …, 2023 - ACS Publications
Bare rock surfaces in dry to semiarid places of the world often host a black-brown accretion
rich in Mn and Fe known as rock varnish. The varnish surface presents an ideal environment …

Disaster-development interface and its impact on emerging vulnerability scenario in Ladakh region of northwestern Himalayas

MS Bhat, AA Khan, M Akbar, S Mir - Journal of Environmental Studies and …, 2023 - Springer
Abstract The Union Territory of Ladakh, located in the northwestern Himalayan region, is
highly vulnerable to natural and anthropogenic hazards like earthquakes, landslides, snow …

Landscapes and paleoclimate of the Ladakh Himalaya

A Kumar, R Devrani, P Srivastava - Advances in remote …, 2022 - Wiley Online Library
The Ladakh Himalaya is a part of the Indus Suture Zone and represents the Indian–Eurasian
boundary in the western arid‐Himalaya. The first‐order geomorphological landscapes in the …

Exploring the Astrobiological Potential of Rock Varnish from Mars Analogue Field Site of Ladakh, India

AS Chaddha, A Sharma, NK Singh, SN Ali… - Planetary and Space …, 2024 - Elsevier
Rock varnish, a dark-coloured natural feature rich in manganese (Mn), iron (Fe), and clay
minerals that forms on rock surfaces and subsurface rock fractures in extremely dry and cold …

Presence and implications of petrogenic organic carbon in High Himalayan Crystalline lake sediment

P Singh, V Sarangi, R Bhushan, SN Ali, S Agrawal… - …, 2024 - cambridge.org
Twelve lacustrine sediment samples from a relict lake in the Kalla Glacier valley were co-
dated using AMS radiocarbon (14C) and infrared stimulated luminescence (IRSL) dating …

Geoheritage Assessment of a Hermit Cave System at Lakhamandal Valley, Upper Yamuna River Basin, NW Himalaya

R Devrani, R Kumar, S Dutt, R Jamir - Geoheritage, 2023 - Springer
The Himalayan orogeny is among the youngest mountain belts on the earth's surface. The
dynamic landscape of the Himalaya accommodates plentiful eminent geological …

Before 'Agro-pastoralism'? A Review of Early and Middle Holocene Human Settlement of the Western Himalaya-Hindu Kush and Pamir-Alay Ranges

M Spate - 2024 - academic.oup.com
Archaeological, botanical, and faunal data from across the Inner Asian Mountains have
revealed a range of agricultural and pastoral adaptations to environments previously …

" Clues of Life" through Mineral Lattice Investigation in the Extreme Cold Conditions of Ladakh, India: An Astrobiological Perspective Using the Geyser Travertine …

AS Chaddha, SK Shukla, K Kumar, A Sharma… - 2024 - researchsquare.com
The concept of habitability has evolved significantly over the past few decades, driven by
increased knowledge of microbial life in extreme environments on Earth. When assessing a …