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Tuwaiq
Jabal Tuwaiq ( ar, جَبَل طُوَيْق, Tuwaiq Mountain) is a narrow escarpment that cuts through the plateau of Najd in central Arabia, running approximately from the southern border of Al-Qasim in the north, to the northern edge of the Empty Quarter desert near Wadi ad-Dawasir in the south. It is high and also has a Middle Jurassic stratigraphic section. The eastern side slopes downwards gradually, while the western side ends in an abrupt manner. The escarpment can be thought of as a narrow plateau, though the locals refer to it as a ''jebel'' ("mount"). Marshall Cavendish used the name "Tuwayr Mountains" to describe mountains of central Arabia, distinct from the Shammar in the north, the Dhofar in the south, and the Hajar to the east. Many narrow valleys (''wadis'') run along its sides, such as Wadi Hanifa, and a group of towns lie on its central section, including the Saudi capital, Riyadh. Many settlements have historically existed on either side of it as well, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tuwaiq Escarpment-14h38m25s-k
Jabal Tuwaiq ( ar, جَبَل طُوَيْق, Tuwaiq Mountain) is a narrow escarpment that cuts through the plateau of Najd in central Arabia, running approximately from the southern border of Al-Qasim in the north, to the northern edge of the Empty Quarter desert near Wadi ad-Dawasir in the south. It is high and also has a Middle Jurassic stratigraphic section. The eastern side slopes downwards gradually, while the western side ends in an abrupt manner. The escarpment can be thought of as a narrow plateau, though the locals refer to it as a ''jebel'' ("mount"). Marshall Cavendish used the name "Tuwayr Mountains" to describe mountains of central Arabia, distinct from the Shammar in the north, the Dhofar in the south, and the Hajar to the east. Many narrow valleys (''wadis'') run along its sides, such as Wadi Hanifa, and a group of towns lie on its central section, including the Saudi capital, Riyadh. Many settlements have historically existed on either side of it as well, su ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Najd
Najd ( ar, نَجْدٌ, ), or the Nejd, forms the geographic center of Saudi Arabia, accounting for about a third of the country's modern population and, since the Emirate of Diriyah, acting as the base for all unification campaigns by the House of Saud to bring Arabia under a single polity and under the Salafi jurisprudence. Historic Najd was divided into three modern administrative regions still in use today. The Riyadh region, featuring Wadi Hanifa and the Tuwaiq escarpment, which houses easterly Yamama with the Saudi capital, Riyadh since 1824, and the Sudairi region, which has its capital in Majmaah. The second administrative unit, Al-Qassim, houses the fertile oases and date palm orchards spread out in the region's highlands along Wadi Rummah in central Najd with its capital in Buraidah, the second largest Najdi city, with the region historically contested by the House of Rashid to its north and the House of Saud to its east and south. The third administrative un ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Highway 40 (Saudi Arabia)
Highway 40 () is a major east–west six-lane controlled-access highway in Saudi Arabia, spanning 1,395 km (867 mi). The highway connects Jeddah, the second-largest city in the kingdom, on the western coast of Saudi Arabia to Dammam, the sixth-largest city on the eastern coast and the largest in the Eastern Province. Apart from Jeddah and Dammam, Highway 40 also runs near or through Mecca, Ta'if, Riyadh, Abqaiq and Khobar along its length, and provides access to the Mahazat as-Sayd and Saja and Umm Al Ramth wildlife sanctuaries. The highway consists of three traffic lanes and an emergency lane on each side (a total of six traffic lanes and eight total lanes) separated by a median strip. All intersections of the highway are grade separated. The route traverses the mostly flat Najd plateau, and thus requires no bridges or tunnels for most of its length. Near the western part, the highway twists and turns around the Hejaz mountains, before reaching the western coastal plain. Severa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arabia
The Arabian Peninsula, (; ar, شِبْهُ الْجَزِيرَةِ الْعَرَبِيَّة, , "Arabian Peninsula" or , , "Island of the Arabs") or Arabia, is a peninsula of Western Asia, situated northeast of Africa on the Arabian Plate. At , the Arabian Peninsula is the largest peninsula in the world. Geographically, the Arabian Peninsula includes Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates (UAE), and Yemen, as well as the southern portions of Iraq and Jordan. The largest of these is Saudi Arabia. In the classical era, the southern portions of modern-day Syria, Jordan, and the Sinai Peninsula were also considered parts of Arabia (see Arabia Petraea). The Arabian Peninsula formed as a result of the rifting of the Red Sea between 56 and 23 million years ago, and is bordered by the Red Sea to the west and southwest, the Persian Gulf and the Gulf of Oman to the northeast, the Levant and Mesopotamia to the north and the Arabian Sea and the Indian Oce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Riyadh
Riyadh (, ar, الرياض, 'ar-Riyāḍ, lit.: 'The Gardens' Najdi pronunciation: ), formerly known as Hajr al-Yamamah, is the capital and largest city of Saudi Arabia. It is also the capital of the Riyadh Province and the centre of the Riyadh Governorate. It is the largest city on the Arabian Peninsula, and is situated in the center of the an-Nafud desert, on the eastern part of the Najd plateau. The city sits at an average of above sea level, and receives around 5 million tourists each year, making it the forty-ninth most visited city in the world and the 6th in the Middle East. Riyadh had a population of 7.6 million people in 2019, making it the most-populous city in Saudi Arabia, 3rd most populous in the Middle East, and 38th most populous in Asia. The first mentioning of the city by the name ''Riyadh'' was in 1590, by an early Arab chronicler. In 1737, Deham Ibn Dawwas, who was from the neighboring Manfuha, settled in and took control of the city. Deham built a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Empty Quarter
The Rub' al KhaliOther standardized transliterations include: / . The ' is the assimilated Arabic definite article, ', which can also be transliterated as '. (; ar, ٱلرُّبْع ٱلْخَالِي (), the "Empty Quarter") is the sand desert (erg) encompassing most of the southern third of the Arabian Peninsula. The desert covers some (the area of long. 44°30′−56°30′E, and lat. 16°30′−23°00′N) including parts of Saudi Arabia, Oman, the United Arab Emirates, and Yemen. It is part of the larger Arabian Desert. Description Terrain The desert is long, and wide. Its surface elevation varies from in the southwest to around sea level in the northeast. The terrain is covered with sand dunes with heights up to , interspersed with gravel and gypsum plains. The sand is of a reddish-orange color due to the presence of feldspar. There are also brackish salt flats in some areas, such as the Umm al Samim area on the desert's eastern edge. Ali Al-Naimi reports th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wadi Hanifa
Wadi Hanifa ( ar, وَادِي حَنِيْفَة, Wādī Ḥanīfah), historically known as Wadi al-Arad, is a ''wadi'' (valley) in the Najd region, Riyadh Province, in central Saudi Arabia. The valley runs for a length of from northwest to southeast, cutting through the city of Riyadh, the capital of Saudi Arabia. A string of towns and villages lie along the valley, including Uyaynah, Irqah and Diriyah. The historical city of Riyadh itself is on the northeastern side of the wadi, but the city has now expanded across Wadi Hanifa, with the sub-municipalities of Al-Shifa and Al-Urayja on its southwestern side. History In ancient times, the wadi was known as ''al-Irdh'' (). Its current name is derived from that of the Banu Hanifa, the principal Arab tribe in the area at the time of the Islamic conquest of Arabia. In pre-historic times, rain fell heavily in the region. This is reflected in the local folk tradition that claims that during the reign of the ancient kingdom of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Escarpment
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations. The terms ''scarp'' and ''scarp face'' are often used interchangeably with ''escarpment''. Some sources differentiate the two terms, with ''escarpment'' referring to the margin between two landforms, and ''scarp'' referring to a cliff or a steep slope. In this usage an escarpment is a ridge which has a gentle slope on one side and a steep scarp on the other side. More loosely, the term ''scarp'' also describes a zone between a coastal lowland and a continental plateau which shows a marked, abrupt change in elevation caused by coastal erosion at the base of the plateau. Formation and description Scarps are generally formed by one of two processes: either by differential erosion of sedimentary rocks, or by movement of the Earth's crust at a geologic fault. The first process is the more common type: the escarpment is a t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ad-Dahna Desert
Ad-Dahna Desert is the central division of the Arabian Desert. It is a corridor of sandy terrain forming a bow-like shape that connects an-Nafud desert in the north to Rub' al-Khali desert in the south. Its length is more than siding Twaik Mountains from the east and does not exceed in width. It is also considered the geographical margin separating Al-Ahsa Province from Najd. Al-Dahna Desert is therefore the string that connects the great deserts of Saudi Arabia. The desert is a series of seven successive deserts, separated from one another by plains. Roads pass through Al-Dahnā, linking Kuwait with Al-Zilfī and Riyadh and connecting Riyadh with Hasa. Al-Dahna desert is formed of high sand dunes spreading horizontally which are called veins ( ar, عُرُوْق, ʿUrūq), mostly red in color since it contains Iron Oxides. Caves Beneath the harsh deserts of Saudi Arabia lie dark chambers and complex mazes filled with crystalline structures, stalactites and stalag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Qasim
The Qassim Province ( ar, منطقة القصيم ' , Najdi Arabic: ), also known as the Qassim Region, is one of the 13 provinces of Saudi Arabia The Provinces of Saudi Arabia, also known as Regions, and officially the Emirates of the Provinces of the Kingdom of Saudi Arabia (), are the 13 first-level administrative divisions of the Kingdom of Saudi Arabia. History After the unification .... Located at the heart of the country near the geographic center of the Arabian Peninsula, it has a population of 1,370,727 and an area of 58,046 km². It is known to be the "alimental basket" of the country, for its agricultural assets. Al-Qassim has the lowest share of population living below local poverty line in Saudi Arabia. It is the seventh most populated region in the country after Jizan Region, Jizan and the fifth most densely populated. It has more than 400 cities, towns, villages, and Bedouin settlements, ten of which are recognized as governorates. Its capital city is Bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sultan Qaboos University
Sultan Qaboos University, located in Al Seeb in the Muscat Governorate, is one of the two public universities in the Sultanate of Oman. Most students entering the university are selected based on their performance in high school final examinations. Student enrollment has grown from 500 in 1986 to more than 10,000 in 2005. More than half of the students live off campus due to space constraints. It currently has around 15,357 students of which 7,942 are female students and 7,415 are male students. The university contains 9 colleges which are: # Agricultural and Marine Sciences # Art and Social Sciences # Economics and Political Science # Education # Engineering # Law # Nursing # Medicine and Health Science # Science Notable faculty * Dawn Chatty, anthropologist, associate professor from 1988 to 1994 * Jokha al-Harthi, writer * Abdul Jerri, mathematician * Jackie Spinner, journalist, worked for the Washington Post from 1995 to 2009 * Stanisław Świerczkowski, mathematician, 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mecca
Mecca (; officially Makkah al-Mukarramah, commonly shortened to Makkah ()) is a city and administrative center of the Mecca Province of Saudi Arabia, and the Holiest sites in Islam, holiest city in Islam. It is inland from Jeddah on the Red Sea, in a narrow valley above sea level. Its last recorded population was 1,578,722 in 2015. Its estimated metro population in 2020 is 2.042million, making it the List of cities in Saudi Arabia by population, third-most populated city in Saudi Arabia after Riyadh and Jeddah. Pilgrims more than triple this number every year during the Pilgrimage#Islam, pilgrimage, observed in the twelfth Islamic calendar, Hijri month of . Mecca is generally considered "the fountainhead and cradle of Islam". Mecca is revered in Islam as the birthplace of the Prophets and messengers in Islam, Islamic prophet Muhammad. The Hira cave atop the ("Mountain of Light"), just outside the city, is where Muslims believe the Quran was first revealed to Muhammad. Vis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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