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...cally occurs approximately 35 km (~19 mi) below the continents and 5 to 10 km (3-5 mi) below the floor of the ocean.<ref name=Petersetal_2012>Peters, Ken

We can also convert distances like [[distance::25 km]] and depths like [[depth::12000 ft]].

...he base of the [[crust]] to the core-mantle boundary at approximately 2900 km (-1802 mi) in depth.<ref name=Petersetal_2012>Peters, Kenneth E., David J.

| 0 km² | 50 km²

...ts, p. 428–499.</ref> This study area was very large approximately 300,000 km² (115,000 mi²) and remote with dense jungle cover, ru ...ompact. Data were collected from 43 sites, with a typical spacing of 10–20 km (6–12 mi).

...ing fluids. Worldwide average geothermal gradients are from 24 to 41&deg;C/km (1.3-2.2&deg;F/100 ft), with extremes outside this range.<ref name=Peterset

...dicity to the shear zones, the spacing between them varying from about 4–8 km (2.5–5 mi). ...out [[length::1 km]] (LaBerge, personal communication) up to [[length::2.5 km]] or more.

...n in a new basin, i.e., in determining whether it is 2, 5, or [[length::10 km]] thick, for example, to a usual accuracy of about ±15% under favorable co ...tion is approximately 3.6 km (12,000 ft) thick and basement lies about 3.8 km (12,500 ft) beneath flight level.]]

...[vitrinite reflectance]], right figure) and follow across at [[length::2.1 km]] until you reach the maturity profile. This vitrinite reflectance value (0

...this, at about the level indicated by the arrows, the section crosses a 1-km-wide Paleocene deep-water [[turbidite]] channel. ...tracted where the shifted surface intersects the 3-D volume of data. The 1-km-wide channel is unmistakable on this view of the data, and both edges of th

...BasinFG1.JPG|thumb|300px|{{figure number|1}}Black Warrior Basin. 20 mi (32 km). From Fritz et al.<ref name=Fritzetal_2012>Fritz, R. D., P. Medlock, M. Ku

...llite photo of a braided river in Tibet. The braided river belt is about 7 km (4 mi) wide. Courtesy of the [http://www.earthobservatory.nasa.gov NASA Web ...dimentary Research, v. 76, p. 731–770.</ref> quoted widths in excess of 40 km (25 mi) and thicknesses up to 1200 m (3937 ft) for the very large braided r

===Major Plates (≥10 million km²)=== * Pacific Plate – 103,300,000 km²

...arrows). It also shows the interpreted limits of thick Jurassic salt (>1.5 km). The geographic shifts of primary fluvial input have resulted in [[depocen

...orner of New Mexico and in southern Colorado that encompasses about 35,000 km² (13,500 mi²). The [[basin]] contains deposits of [[n

...e Idaho-Washington border and extends approximately [[length::75 mi]] (120 km) to the west (Mills, personal communication, 1994).

...es in Jordan: Directorate of petroleum exploration, Amman, 56 p.</ref> 100 km (62.1 mi). ...shale baseline. From L&uuml;ning et al.<ref name=L&uuml;ningetal_2006 /> 5 km (3.1 mi).]]

...ew hundred acres to regional programs covering 1,000 mi² (2,590 km²).

...to investigating resistivities down to depths as great as 1 to [[length::2 km]], although greater depths of investigation are possible with some techniqu ...ounded wire systems are applicable to depths well in excess of [[length::1 km]], although high power transmitters are required as depth increases. The re

...eum Geology Conference series 5, p. 1199–1208.</ref>, and approximately 12 km (7.5 mi) to the northeast of the Central Brae<ref name=Fletcher2003a>Fletch ...voir]] intervals are flowed to the Marathon-operated Brae Bravo platform 9 km (5.6 mi) to the west via two dedicated 10 in. (25 cm) [[subsea]] pipelines,

...s unlikely to support a contact tilted more than 1&deg; (100 ft/mi, 18.9 m/km), even in the presence of a strong water drive. A common oil-water contact, tilted less than 1&deg; (18.9 m/km, 100 ft/mi), exists between Unit A and South Yowlumne field, a lobate sands

...e total intensity map are the flight path lines [approximately [[length::2 km]] (1.2 mi) apart] and location points for the flight lines. The total inten

...Numbers refer to oil fields and hydrocarbon shows detailed in Table 1. 50 km (31.1 mi). ...ormation in the Israel Ministry of Energy and Water Resources website). 50 km (31.1 mi).

South Pass 62 field, lying 50 km southeast of the Mississippi River delta in 100 m of water ([[:file:Mth14ch file:Mth14ch04f01.jpg|{{figure number|1}} South Pass 62 field is located 50 km southeast of the mouth of the Mississippi River in 100 m of water. Dark gra

...ck is not exposed on the surface. Seismic velocity, ranging from 6.5 – 7.6 km s-1, represents that rocks are more felsic than basalt constructing the low ...onal force. On the other hand, when subducted slab enters the depth of 670 km, resistance to penetration occurs because facing discontinuity.

...[[length::3.7 km]], then we can predict that the section at [[length::3.7 km]] is mature for liquid generation and has generated a liquid hydrocarbons,

...zuq Basin, Libya)]: AAPG Bulletin, v. 90, no. 9, p. 1309-1336.</ref>). 500 km (310.7 mi).]] Libya’s area of 1.8 million km² makes it the fourth-largest country in Africa ([[:file:M106h04F

...ecessary bring an ocean bed survey to look at topography, in an area of 30 km², having as objective establish the substrate conditions for the

...the main [[depocenter]]s, but only the main structures in the shallowest 4 km (2.5 mi) of the basin have so far been drilled. The basin is now penetrated ...which contains prolific [[hydrocarbon]] resources in a sequence of up to 4 km (2 mi) of [[Paleocene]] [[sediment]]s (Biswas, 1982<ref name=Biswas1982>Bis

...re 2]]. Permian outcrops surrounding the Arabian shield are indicated. 200 km (124.3 mi).]] ...e northeast by the Zagros suture. The area is slightly larger than 400,000 km² (2,500,000 mi²); two-third of this area is located o

..., shows the impact of compressing seismic sections on a workstation. A 6.4-km, 32-m-deep valley network incised in the Muddy Formation (Lower Cretaceous)

...600–1,200 m (2,000–4,000 ft) long. The transmitter is normally located 3–6 km (2–4 mi) from the survey line.

...http://www.earthasart.gsfc.nasa.gov NASA Web site]. The delta is about 200 km (124 mi) across in this view. The photograph has been rotated such that nor ...50 m-1300+ km (164 ft-808+ mi); many > 1 km (0.62 mi); common range 0.5-10 km (0.3-6 mi) || 15-15,000+; some > 1000; common range 50-1000

Prudhoe Bay field is 52 km long by 19 km wide (32 mi by 12 mi). Structurally, the field occurs between 2500 and 2800

...50 m-1300+ km (164 ft-808+ mi); many > 1 km (0.62 mi); common range 0.5-10 km (0.3-6 mi) || 15-15,000+; some > 1000; common range 50-1000 ...5 ft) || 30 m-15 km (98 ft-9 mi); most < 3 km (1.8 mi); common range 0.3-3 km (0.1-1.8 mi) || 7-940; most < 250; many < 100; common range 30-250

The Jimsar Sag in the eastern Junggar Basin covers about 1200 km². It is a dustpan-like sag faulting in the east and overlapping

...d by fault throws or basement highs unless basement is deep (> [[length::5 km]], approximately). In this case the slightly magnetic sedimentary rocks beg

...atively small as it is only about 30 mi (48 km) long and less than 5 mi (8 km) wide. The field covers an area of about 84 mi2 (220 km2). In this sense, i

! Type || Single Scene Coverage (km) || Resolution (m)

...large arrays of solar cells in synchronous-orbit satellites 30,000–35,000 km above the Earth. The PV arrays would convert the high solar radiation to el

...eter is well explored compared with a province that has one well every 100 km². Exploration intensity by province ranges from lightly to moder

...facies include channels and channel-fed lobes nearly [[length::50 mi]] (80 km) from the mapped ''Glob alt'' shelf edge and probable deltaic sediment sour

A 3-D survey measuring 2.2 by [[length::1.7 km]] was acquired, as indicated by the rectangle in [[:file:seismic-inversion_

...ontrast to 2-D surveys in which line spacing can be as much as [[length::1 km]], the line spacing in 3-D surveys can be [[length::50 m]] or less. This de

...ries has been about 170 km; in a single year the channel may shift over 30 km laterally.<ref name=Reineckandsingh_1973>Reineck, H. E., and I. B. Singh, 1 ...isopach map shows a laterally continuous sand body, often extending 20-50 km laterally in a direction perpendicular to the downslope channel direction.

...[[crust]], which has subsided beneath the load of more than [[distance::14 km]] (>45,000 ft) of sedimentary rock. (For additional discussion of the struc

...30000km2, is a large basin on the Yangtze Platform and contains up to 6-12 km of Pre-Cambrian Sinian to Cenozoic sediments. The Upper Ordovician to Lower

* Area: 19,700 mi² (51,000 km²) ...(116,550 km²); Tuscarora part is 30,000 mi² (77,700 km²).

The LBC is a flat area of about 200,000 km² (77,220 mi²) between the [[Eastern Cordillera]] (wes ...[[Guayabo Formation]] is up to 6 km (3.7 mi) thick in the north and only 3 km (1.9 mi) thick in the south. As a result, maturation started during the mid

...> these rocks were lithified at the time of faulting (burial depth about 2 km). Lindsay et al.<ref name=Lindsay /> recognized three types of shale smear:

...rliest stages of primary recovery. Defined simply by the limits of the 100-km² Arecuna 3-D seismic survey ([[:File:Methods14ch08f01.jpg|Figure ...ly in a well-defined north-northwest-trending axis that is approximately 6 km wide and splits into a second channel axis in the north part of the field s

:<math>Vp (km/s) = 5.81 - 9.42 \times \mathit{\Phi} s - 2.21 \times Vclay</math> :<math>Vs (km/s) = 3.89 - 7.07 \times \mathit{\Phi} s - 2.04 \times Vclay </math>

...entral Chile ([[:File:1.png|Figure 1]]). It covers an area of over 120,000 km² and comprises a continuous record of up to 4000 meters of strat ...ne resulting in compression and flexural subsidence, asocciated with 45-57 km of cristal shortening<ref>Introcaso, A., M. C. Pacino, & H. Fraga, 1992. Gr

...te sand body with a mobile border 25 km (15 mi) long and between 0.5 and 2 km (0.3 and 1.2 mi) wide.<ref>Major, R. P., D. G. Bebout, and P. M. Harris, 19 ...1}}Ooid shoal, Bahamas; the bottom edge of the photograph represents a 4.5-km (2.7 mi)-wide transect. The lower inset is an illustration of a cliff expos

...ive from sands in the East Breaks 158-159 field [[length::6 mi]] (about 10 km) to the west within the same minibasin.

...mangrove. In some deltas, tidal ridges attain extreme lengths of 10 to 15 km. Deltas displaying similar types of shoals have been described by Off<ref n ...tary-mouth-bar area ranges from a minimum of about 2 km to slightly over 5 km. The upper righthand diagram shows a typical vertical sequence resulting fr

...er temperature measurement was available (i.e., 150 &plusmn; 15&deg;C at 4 km [2.5 mi]), then it would be difficult or even impossible to find realizatio ...that have a high probability of having generated a specified yield (1 MSTB/km² in this case), regions that have a low probability, and regions

...nder an upper Eocene or younger cover, is a relatively narrow belt, 45-160 km (28-99 mi) wide, of intensely folded and faulted Middle Jurassic to middle

.... The focus of this article is aimed at magmatic bodies of small size (2–4 km in diameter and approximately 500 m thick) of laminar geometries and dispos

.../ref>. From the Early Jurassic through the Late Cretaceous, greater than 6 km of sediment filled the basin over the course of 5 major tectonic stages ([[

...f which only four commercial fields are known at present: The Geysers, 115 km (70 mi) north of San Francisco, California; Larderello, in central Italy; M

...he ''Glob alt'' reservoir interval. The model shows a 40-50-mi-long (60-80 km) transport system from a shelf-edge delta basinward to the East Breaks 160-

...Aptian to Maastrichtian time and it has c.300 m of thickness over 370.000 km². ...). It is a mixed type of aquifer, porous and fractured, covering 1,200,000 km².

...ension ranging in size from a few hundred meters to approximately 15 to 20 km. The process of crevassing or infilling has been recorded historically in m ...p, and others of a large major river delta system with channels reaching 1 km in width and 30 m in depth. Depth within the channel decreases rapidly as t

* (scale - from mm to tens of km)

* Shale may flow laterally but will develop overhangs of less than 6 km (3.7 mi). In contrast, salt overhangs may be on the order of tens of kilome

...onal waves (Vp ~5-7 km/s) compared to the sedimentary cover rocks (Vp ~3-5 km/s) . 3D mapping of sills makes it possible to take a fresh look at the mech

...ourced, [[synrift]] slope apron [[fan]]s that extend for approximately 100 km (60 mi) along the western flank of the SVG. A wide range of [[facies]] refl

...A plate tectonic approach: Tectonophysics, v. 75, p. 181–241.</ref>). 300 km (186.4 mi).]] ...ate shelf: Turkish Journal of Earth Science, v. 16, p. 181–209.</ref>). 10 km (6.2 mi).]]

...unique unconventional play, exceptionally thick (100–400 m), vast (30,000 km²), and porous (10%–20%), with a prograding clinoform hosting u ...ref>. In fact, the Neuquén Basin is a petroleum-rich province with (1) a 7-km-thick hydrocarbon-bearing stratigraphic column with both conventional and u

...to be caused by the structural grain of Precambrian accreted terrains. 200 km (124.3 mi). ...cross the Mesopotamian Foredeep to the Zagros foldbelt in eastern Iraq. 50 km (31.1 mi).]]

...l]] fan in China's Xinjuang Province. The diameter of the fan is about 170 km (106 mi). Courtesy of the [http://www.earthasart.gsfc.nasa.gov NASA Web sit

...h occasional coarser (permeable) layers in distinct [[sequence]]s. About 1 km (0.6 mi) of Cenozoic rocks have been removed from the Hammerfest Basin (Nyl

...of height. There’s also draas which is gigantic bedform that has up to 5,5 km long and height of 400 m (Wilson, 1972; McKee, 1982). Environments of deser

It covers more than 220,000 km² and comprises several component basins and platforms, including

...a lobe in parasequence 1.6 is approximately 8.1 km (5.03 mi) wide and 12.2 km (7.58 mi) long, giving a plan-view aspect ratio of 0.7,<ref name=Dvgl2011 / ...name=Dryr2005 /> The 3-D seismic data image laterally extensive (up to 30 km [19 mi] along depositional strike), near-linear, north-northeast–south-so

...gin and its width was decreasing. The Rheic Ocean was several thousands of km wide with Perunica in the northern part, having probably detached from NW G ...ion of Pangea required a west to east translation of Laurasia of some 3000 km (1864 mi) with respect to Gondwana ([[:file:M106Ch01Fig06.jpg|Figure 6]]).

...TOC content ranges in the same bed from 1 to 4 wt. % over a distance of 3 km<ref>Guthrie, J. M., and K. M. Bohacs, 2009, Spatial variability of source r

...cused along a northeast–southwest-trending fairway extending more than 800 km (500 mi) in length and mainly targeting areas where the Marcellus Shale occ

...ce, traverses of the Moroccan coast show that the expanse of land, 100–200 km away from the coast shows stronger iodine enrichment than inland areas.<ref