in geology, a fold of stratified rock where the strata slope downward?
144030
Is this a question?  I was confused by the lack of a complete sentince.  \n\nHowever, if the strata are flat, there is no special name for it.  It's just a bedding layer.  It's measured by the strike (horizontal direction) and the dip (amount it's sloping down).  If it folds and the youngest material is on the inside, it's a syncline (v shaped), but if the youngest material is on the outside, it's an anticline (A shaped)  Then, if the fold is not level, it's called a plunging anticline/syncline.
350186
To provide water to hillside communities, the distribution system has to be stratified into multiple zones with each zone serving a specific elevation area. This stratified design is known as a "cascade system."
789260
Sinkholes, also known as sinks, shakeholes or dolina (in the Slovene language dolina means valleys), and cenotes, are a feature of landscapes that are based on limestone bedrock. They are found worldwide. One form is the collapse of a cave roof. The result in this case is a depression in the surface topography. This may range anywhere from a small, gentle earth-lined depression, to a large, cliff-lined chasm. Most often there is a small area of rock exposure near or at the bottom of a sinkhole, and a patent opening into the cave below may or may not be visible. In the case of exceptionally large sinkholes, such as Cedar Sink at Mammoth Cave National Park, there may actually be a stream or river flowing into the bottom of the sink from one side and out the other side.\n\nSinkholes often form in low areas where they form drainage outlets for a running or a standing water. They may also form in currently high and dry locations. Florida has been known for having frequent sinkholes, especially in the central part of the state.\n\nSinkholes are usually but not always linked with a karst landscape. Karst represents a set of surface features that are characteristic of limestone under the soil. In many such regions, there may be hundreds or even thousands of sinkholes in a small area so that the surface as seen from the air looks pock-marked. Often in such areas there are few or no flowing streams on the surface because the drainage is all sub-surface.\n\nSinkholes have for centuries been used as disposal sites for various forms of waste. A consequence of this is the pollution of groundwater resources, with serious health implications in such areas.\n\nSinkholes also form from human activity, such as the rare but still occasional collapse of abandoned mines in places like West Virginia. More commonly, sinkholes occur in urban areas due to water main breaks or sewer collapses when old pipes give way. They can also occur from the overpumping and extraction of groundwater and subsurface fluids.\n\nNatural sinkholes can be very deep, offering extremely challenging conditions for adventurous and experienced divers. Some of the most spectacular are the Zacaton cenote in Mexico, the Boesmansgat sinkhole in South Africa, Sarisariñama tepuy in Venezuela and in the town of Mount Gambier, South Australia-.
108404
I only know of cross-bedding. Cross bedding - stratification inclined to the original horizontal surface upon which the sediment accumulated. It is produced by deposition on the slope of a dune or sand wave.
1105541
Torbay, despite being a built up area, has some spectacular Coast Path scenery and geology. Here the rocks were literally turned upside down by earth movements during a mountain building phase 280-300 million years ago. Large scale folding and faulting of the rocks can be seen around Thatcher Rock and Hopes Nose. At Meadfoot strange fossils in the limestone tell us about tropical reefs of the Devonian period. Around Goodrington, younger rocks that formed as the mountains were eroded in a hot arid environment, contain boulders and pebbles from the older limestones and shales. These red beds form the headlands at Livermead and Roundham Head. At Thatcher Point, just along from Hope's Nose, you can clearly see the hundreds of layers of limestone which were formed over millions of years - try the sites below.
786689
Sedimentary rocks are formed at the surface of the Earth, either in water or on land. They are layered accumulations of sediments: fragments of rocks, minerals, or animal or plant material. Temperatures and pressures are low at the Earth's surface, and sedimentary rocks show this fact by their appearance and the minerals they contain. Most sedimentary rocks become cemented together by minerals and chemicals or are held together by electrical attraction; some, however, remain loose and unconsolidated. The layers are normally parallel or nearly parallel to the Earth's surface; if they are at high angles to the surface or are twisted or broken, some kind of Earth movement has occurred since the rock was formed. Sedimentary rocks are forming around us all the time. Sand and gravel on beaches or in river bars look like the sandstone and conglomerate they will become. Compacted and dried mud flats harden into shale. Scuba divers who have seen mud and shells settling on the floors of lagoons find it easy to understand how sedimentary rocks form. \n\nExamples:\n\nArkose \nBreccia \nChalk \nChert \nClaystone \nCoal \nConglomerate \nCoquina \nDolomite \nEvaporite \nGreywacke \nLimestone \nMarl \nMudstone \nOolite \nSandstone \nShale \nSiltstone \n\nFor more check :\n\nhttp://interactive2.usgs.gov/learningweb/explorer/topic_rocks_sedimentary.htm\n\nhttp://en.wikipedia.org/wiki/Sedimentary_rocks\n\nhttp://en.wikipedia.org/wiki/List_of_rocks
892437
At the bottom! Along Plate Boundaries.
222018
rock formed from layered sediments that pile up and squeeze together, providing clues to the earth's past. an example is sandstone.
595341
below the crust, above the core.
149966
Steno's Principles\nOriginal horizontality- Strata was orginally deposited horizontally in layers due to gravity.\nOriginal Lateral Continuity- Strata will continue until it tapers off or hits the edge of a basin.\nCross-cutting Relationship- The intrusive strata is younger than the strata they cut through.\n\nIncluded fragments- Inclusions are older than its host rock.\nFossil Correlation- If same fossil assemblages in similar rocks than rocks the same ages.
527569
plateaus are elevated above the ground
152053
Down the tubes.\nHeading down hill.
949317
Limestone caves are formed by erosion.  Rainwater is slightly acidic and this erodes limestone.  Can start off as rock eroding from a small underground aquifer and can become a large underground river.  The rainwater that percolates through the ground and into the caves erodes the calcium in the limestone.  Where it drips off the roof of the cave, some of the calcite is deposited and this eventually forms a stalicitite.  Where it hits the floor of the cave it becomes a stalicmite.  There are examples of Limestone caves open to the public in Co. Clare and Fermanagh in Ireland although there are many more cave systems in theses areas.
112721
A grassy, gently sloping hill ending up with level ground at the bottom
457200
Chronicling the duration of geologic eras via the strata of earth formations.
205366
try the Idiot's Guide to Geology and Minig...
835925
Generally sandstones and quartzites are more weathering resistant. They tend to form mountains and ridges. Limestones and shales tend to weather more and form valleys. They can't hold a mountain up. \n\nDifferential weathering is where different formations or even bedding within the same formation, weather at different rates. Softer, less competent rocks weather faster than harder, more substantial rocks. Look at a road cut, some rocks stick out like massive sandstones, and underlying shales have weathered back into the hillside. The rocks have experienced the same weathering forces, but the shales have weathered faster. Look at a cross-bedded sandstone. Some bedding is prominent and sticks out, some has eroded back in the formation. Both are differential weathering.\n\nIn the big picture, the rocks on a mountain have resisted weathering, where the rocks in the valley floor have succumbed, Differential weathering.\n\nThe last part of your question; think of a cemetery. Which gravestones last the longest? Lots of pink granite ones, huh? Granite is a very hard metamorphic rock. It is the most resistant to weathering. Marble is metamorphosed limestone. Much harder than limestone, but still CaCO3 (Calcium Carbonate). Rain is slightly acidic, so marble will weather out, but very slowly. Sandstone is a sedimentary rock, softer than granite or marble. So there is your answer.\n\nI hope this helps.