What is karst, and why should we care about it?
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What does the term "Karst" mean?
karst. (kärst) n. An area of irregular limestone in which erosion has produced fissures, sinkholes, underground streams, and caverns. [German, after the Karst, a limestone plateau near Trieste (where geologists first studied karstic landscapes) .]
What are the features of karst?
- User-friendly screens, big fonts for important figures like, Subtotal, Total, Change and Quantity etc.
- Makes billing easier without using mouse
- Supports barcode scanning
- Scanning item on SKU/PLU/EAN
- Subtotal/Close key (to close a transaction)
- Last item void/Past item void
- Refund with authorization
- Overing (full cancellation of same day bill)
- Reprint Bill
What is a simple meaning of karst formation?
- Carbonate karst aquifer,
- Dolomitic karst aquifer,
- Marble karst aquifer,
- Chalky karst aquifer,
- Anhydritic karst aquifer,
- Gypsum karst aquifer,
- Halitic karst aquifer.
Where does the karst come from?
Karst is associated with soluble rock types such as limestone, marble, and gypsum. In general, a typical karst landscape forms when much of the water falling on the surface interacts with and enters the subsurface through cracks, fractures, and holes that have been dissolved into the bedrock.
What does the word karst?
Definition of karst : an irregular limestone region with sinkholes, underground streams, and caverns.
Why is it called karst topography?
The term Karst was adopted by all the regions in the world that share these topographical features. Derived from the Paleoeuropean word for stone, karra, and called carusardius in Latin, Karst topography, prevalent in the European lands, is attested as "grast" in Slovenia since 1177, and "kras" in Croatia since 1230.
What is the difference between caves and karst?
As nouns the difference between cave and karst is that cave is a large, naturally-occurring cavity formed underground, or in the face of a cliff or a hillside while karst is (geology) a type of land formation, usually with many caves formed through the dissolving of limestone by underground drainage.
Where does the name karst landscape come from?
The term karst derived of the name of the plateau in the background of the Bay of Trieste (Adriatic Sea) lying (the great part) in Slovenia and in Italy. The name of the plateau is Kras in Slovene, Carso in Italian and Karst in German.
Why are landforms formed in limestone called karst?
1 Answer. A karst is an area of land formation created by eroding and dissolving portions of limestone or other soluble rock layers above or below the ground.
Is the Grand Canyon a karst landscape?
Karst landscapes cover about 16 percent of the Earth's land surface, including most of the Colorado Plateau around Flagstaff and the Grand Canyon. It's an important geologic feature that most of us have never heard of.
Is a karst and sinkhole?
Sinkholes are most common in what geologists call, “karst terrain.” These are regions where the types of rock below the land surface can naturally be dissolved by groundwater circulating through them. Soluble rocks include salt beds and domes, gypsum, limestone and other carbonate rock.
What do we call a cave whose roof has collapsed?
A collapsed cave is a sort of polje, or probably its the link between a collapse doline and a small polje. However, the term is generally used if most of the cave is collapsed, but the narrow gorge, some remaining speleothems and natural bridges still show much evidence of the former cave.
What is a cave with water called?
A sea cave, also known as a littoral cave, is a type of cave formed primarily by the wave action of the sea. The primary process involved is erosion. Sea caves are found throughout the world, actively forming along present coastlines and as relict sea caves on former coastlines.
How long does it take for karst to form?
Karst develops over millions of years and probably began to form soon after the carbonate rocks were deposited 500 to about 350 million years ago. Karst is an erosional process that changes the landscape by removing the carbonate rock at the surface and underground.
Why are karst formations important to humans?
Caves and karst are important for the following values: Economic resources including limestone and groundwater. For tourism and recreation and its associated economic benefits. As sites of cultural, spiritual and religious significance.
Abstract
Even some recently published works including manuals, textbooks and lexicons, related to this topic contain inexact, not precise, discordant or wrong statements. Recent linguistic studies provide some new results regarding the word karst.
Keywords
Available online at www.sciencedirect.com 1877 0428 ' 2011 Published by Elsevier Ltd.
What is the Karst plateau?
As stated previously, the word Karst is both a geographical and geological term in the region. At the beginning, this was just the name given to the hinterland of the Gulf of Trieste. It is supposed to be of pre-Indoeuropean origin from the root kar-, meaning rock, to describe these unusual and barren lands that were considered hostile for travellers. This term is still preserved in the Italian Carso, Slovenian Kras and German Karst. On the surface, the Karst plateau is strewed by numerous dolines and caves, which are the most dominant features that characterize it. There are many other geomorphological features that can be observed, such as the campi solcati (limestone pavement) or the kamenitze (natural ponds) in Val Rosandra (Figure 6). These natural ponds result from millions of years of erosion and dissolution by meteoritic waters of pre-existing carbonates.
Where is Trieste located?
Trieste is built along the north-eastern Adriatic coast, where it lies on top of Eocene flysch, which consist of silty marls interbedded with sandstones. They don’t outcrop much, but you can see evidence of these all around the city. The sandstone interbeds were used as building blocks, regionally called “masegni”, to build the city. For example, the Molo Audace (an iconic pier at the harbour) and the pavement of the city’s main square: the breath-taking Piazza dell’Unità d’Italia, are made of these “masegni” (Figure 2).
What is a karst?
karst. n. An area of irregular limestone in which erosion has produced fissures, sinkholes, underground streams, and caverns. [German, after the Karst, a limestone plateau near Trieste (where geologists first studied karstic landscapes) .]
Where is karst development?
The karst development is very strong in Southwest China, which often led to geohazards and a variety of accidents of engineering construction [3-8]. Study of the Corrosion Characteristics of Tunnel Fissures in a Karst Area in Southwest China.
Where are karst disasters frequent?
It should be noted that karst disasters are frequent in the central and western regions, and the karst environment is various in different regions. Stability Analysis of Surrounding Rock and Treatment Structures in Superlarge Karst Cave of Naqiu Tunnel.
What is karst topography?
The karst topography created sinks, caves, and underground channels, and created deep ravines and stream valleys developed as caverns collapsed. From. Wikipedia. This example is from Wikipedia and may be reused under a CC BY-SA license.
What is a karst landscape?
an area of land formed of rock such as limestone that is worn away by water to make caves and other formations: Some of the rocky karsts contain sea caves and hidden lagoons. a karst landscape. SMART Vocabulary: related words and phrases.
Where is the Karst dialect spoken?
The Karst dialect ( kraško narečje, kraščina ), sometimes Gorizia–Karst dialect ( goriškokraško narečje ), is a Slovene dialect in the Littoral dialect group, spoken in western Slovenia and in parts of the Italian provinces of Trieste and Gorizia. It takes its name from the Karst Plateau ( Slovene: Kras ).
Does Karst have a pitch accent?
The Karst dialect does not have pitch accent. The dialect’s western territory is more conservative, with monophthongs, better preservation of soft consonants, broad reflexes of nasal ę and ǫ, and without the development long o > u. The rest of the dialect has the diphthongs ie and uo, lenition of g > [ɦ], the third accentual retraction, and an a -colored reflex of ə. The dialect has a short infinitive (without -i) and development of long syllabic l > u.
