Geological and Geographical Overview of Afghanistan Flashcards

This set covers the geological history, topography, mountain ranges, river basins, biological diversity, and water resources of Afghanistan as described in the lecture notes.

Precambrian to Present

The historical timeframe during which continuous geological activities formed the current topography of Afghanistan, including its high mountains and deep valleys.

Tethys Ocean

A vast ancient ocean that covered large areas of Central Asia, including parts of modern-day Afghanistan, during the Mesozoic era.

Mesozoic Era Rocks

Geological formations primarily consisting of limestone, sandstone, shales, and conglomerates found in the southern parts of the Hindu Kush.

Cenozoic Era

The third geological period during which significant sedimentary remains such as shales, conglomerates, sandstones, and volcanic rocks were formed.

Khamab

The lowest point in Afghanistan, located in the northwest at an elevation of $259\text{ m}$ above sea level.

Noshaq

The highest peak in Afghanistan, located in the eastern Hindu Kush, with an elevation of $7485\text{ m}$ above sea level.

Terajmir

A peak located in Chitral with an elevation of $7750\text{ m}$, situated outside of Afghanistan's borders.

Low-Elevation Lands

Areas in Afghanistan that have an elevation ranging from $300\text{ m}$ to $500\text{ m}$ above sea level.

Agricultural Fertile Lands

Territories situated between an average elevation of $500\text{ m}$ and $2000\text{ m}$ above sea level.

Mountainous Regions

Lands with elevations ranging from $2000\text{ m}$ to $6000\text{ m}$ that encompass all of Afghanistan's mountain ranges.

Hindu Kush Mountains

A major mountain range that divides Afghanistan into northern and southern watersheds, separating the Kabul River basin from the Amu River basin.

Koh-e-Baba

A major mountain range in central Afghanistan starting from the Hajigak pass, with its highest peak, Shah Fuladi, at $5140\text{ m}$.

Spin Ghar (Safid Koh)

A mountain range south of Nangarhar, formerly known as Eastern Safid Koh, whose highest peak is Sikaram at $4755\text{ m}$.

Sulaiman Mountains

A range extending $600\text{ km}$ along the eastern borders of Afghanistan, separated into eastern and western parts, with the Takht-e-Sulaiman peak at $3200\text{ m}$.

Tirband-i-Turkistan

A mountain range in northwest Afghanistan, $300\text{ km}$ in length, located between Faryab and Badghis provinces, famous for its pistachio forests.

Marco Polo Sheep

A rare animal species found in the Wakhan valleys and high central plateaus of Afghanistan.

Industrial Forests

Evergreen needle-leaf forests growing between $2000\text{ m}$ and $3000\text{ m}$ in the southern and eastern provinces, such as Paktia, Kunar, and Laghman.

Pistachio Forests

Forests covering approximately $3000\text{ hectares}$ in the northwestern provinces of Badghis and Samangan.

Zira (Cumin)

A wild plant exported from Afghanistan, with the valleys of Badakshan producing some of the highest quality varieties in the world.

Hydrosycle (Water Cycle)

The continuous process of water changing between gas, solid, and liquid states across the atmosphere, lithosphere, hydrosphere, and biosphere.

Amu River (Oxus)

The largest river in northern Afghanistan, known historically as Oxus by Greeks and Jihun by Arabs, forming a $1200\text{ km}$ political border.

Kabul River Basin

A watershed covering approximately $12.5\%$ of Afghanistan's area ($75390\text{ km}^2$), flowing into the Indus River at Attock.

Helmand River

The longest river in its basin, originating from the Paghman mountains and flowing $1400\text{ km}$ to the Helmand Hamun.

Harirod

A river in western Afghanistan, $850\text{ km}$ long, which forms the political border between Afghanistan and Iran from Islam Qala to Dahan-e-Zulfiqar.

Band-e-Amir

A series of natural deep blue lakes in the Hindu Kush mountains formed by limestone deposits, categorized as a National Park.

Zarkul Lake

A lake located on the Pamir plateau between Afghanistan and Tajikistan, serving as the primary source for the Pamir and Amu rivers.

Drought

A natural phenomenon defined by rainfall dropping below the average level, failing to meet the needs of humans, animals, plants, and soil.