Darkened topsoil and reddish subsoil soil horizons | layers are typical in humid subtropical climate | some regions.

The subsoil layers under West Heath and Turves Green also contains a coal seam that would indicate that a prehistoric tropical forest once existed here.

Geological research findings show the city's subsoil having layers of gravel and sand Levantine and Quaternary, forming significant hydrological aquifers deposits fed by the Trotuş and Siret rivers and direct rainfalls.

The B horizon is commonly referred to as " subsoil ", and consists of mineral layers which may contain concentrations of clay or minerals such as iron or aluminium oxides or organic material moved there by leaching.

Caudill pointed out that strip mining could be done responsibly as in England, Germany, and Czechoslovakia where topsoil, subsoil, and rocks are removed separately and placed back in layers in their original order.

In its preamble, UNCLOS defines the international seabed area — the part under ISA jurisdiction — as “ the seabed and ocean floor and the subsoil thereof, beyond the limits of national jurisdiction ”.

Prior to the visit of the Society some excavations had been made under the superintendence of Mr. W Kinsey Dover, with the view of finding whether the subsoil would disclose anything that might lead to some conclusion as to the age or object of the circle.

It dealt mainly with the acquisition of the subsoil under part of the forecourt of Charing Cross main line station so that the CCE & HR's station could be excavated.

They also evaluate the subsoil to see how much load it can withstand.

These subsoil horizons can also be cemented by carbonates, gypsum or silica.

The subsoil is made up of mostly flame-proof and heat-proof clays ( the total clay deposits are 220 mln m³ ), the deposits of vitreous material – 11. 6 mln tons, and there are also deposits of phosphates of 94. 7 mln.

Moorland also bears a relationship to tundra ( where the subsoil is permafrost or permanently frozen soil ), appearing as the tundra retreats and inhabiting the area between the permafrost and the natural tree zone.

Most soil classifications divide the gley soils into surface-water gleys ( also known as stagnogleys ) and gleys proper, or groundwater gleys, the former having a slowly pemeable lower subsoil, leading to a " perched " water table, the latter being in low ground or basin situations where the natural groundwater table is constantly high enough to influence the soil profile.

Either moist subsoil that contains enough clay to become cohesive when tamped, or an angular gravel or crushed volcanic rock is used.

The soil is light with a gravel and clay subsoil, and there are extensive coal measures.

The soil is light gravel and clay, with subsoil of rough gravel, and the local geology is carboniferous coal measures.

Once the area is cleared, miners use explosives to blast away the overburden, the rock and subsoil, to expose coal seams beneath.

In domestic affairs King strengthened the Liberal policy of increasing the powers of the provincial governments by transferring to the governments of Manitoba, Alberta, and Saskatchewan the ownership of the crown lands within those provinces, as well as the subsoil rights ; these in particular would become increasingly important, as petroleum and other natural resources proved very abundant.

The tribes would commonly offer Han farmers a permanent patent for use, while maintaining ownership ( skeleton ) of the subsoil ( 田骨 ), which was called " two lords to a field " ( 一田兩主 ).

Its leaves contain 2-3 times more potassium than farmyard manure, mined from deep in the subsoil, tapping into reserves that would not normally be available to plants.

The bypass would have opened sooner, but the lime-stabilised subsoil heaved and cracks opened up in the road surface.

An underground link with the subsoil of the Mercado Central de Abasto ( central wholesale fruit and vegetable market ) was made available on 12 July 1933, by which goods wagons with freight from the Ferrocarril Central de Buenos Aires ( Buenos Aires Central Railroad ) would arrive, driven by electric locomotives.

The argillaceous subsoil explains the formation of a clearing within the forest and the numerous stretches of water in the surrounding area.

Rainfall absorbs this salt on the surface, and carries it down into the subsoil where it is stored in unsaturated soil profiles, until it is once again mobilised by ground water and rising water tables.

South of this stretch, where the road runs on soft ground close to the River Roding, concrete was considered unsuitable due to the looseness of the subsoil and the consequent risk of random cracking, so the road surface here was of tarmac from the start.

The valley has modern alluvial terraces and gravel deposits, but the subsoil is mainly limestone, though it is intersected here and there by sandstone with plate.

Check the elevation of the ground, degree and direction of slopes, drainage, rock outcrops, topsoil types and quality, as well as subsoil.

The subsoil of the Andaman islands consists essentially of Late Jurassic to Early Eocene ophiolites and sedimentary rocks ( argillaceous and algal limestones ), deformed by numerous deep faults and thrusts with ultramafic igneous intrusions.

In a less clinical and more colloquial sense, bricks are made from dried earth, usually from clay-bearing subsoil.

They have large grassland areas and some woodlands but few large depressions and subsoil resources.

Coastal states have the right to harvest mineral and non-living material in the subsoil of its continental shelf, to the exclusion of others.

In medium-textured soils, clay is often washed downward through the soil profile and accumulates in the subsoil.

When pipe-turf cannot be got conveniently, a good wedge drain may answer well, when the subsoil is a strong, stiff clay ; but if the subsoil be only moderately so, a thorn train, with couples below, will do still better ; and if the subsoil is very sandy, except pipes can be had, it is in vain to attempt under-training the fiel d by any other method.

This was due to a mere three-metre foundation, set in weak, unstable subsoil, a design that was flawed from the beginning.

A subsoil of gravel, or the presence of hard-pan, is not desirable, as cultivation to a depth of from twelve to fifteen inches is necessary to produce the best results.

It allows the roots to penetrate the subsoil without much obstruction, thereby preventing the beet from growing out of the ground, besides enabling it to extract considerable nourishment and moisture from the lower soil.

A hard subsoil is impervious to water and prevents proper drainage.

Small amounts of subsoil saturated by groundwater were removed from far below the north side of the Tower, and the weight of the tower itself corrected the lean.

Ancient oceans left behind chalk subsoil deposits when they receded 70 million years ago.

It can supplement the subsoil water level and increase urban greenery.

In the vicinity of Farmington, after passing through the first or top soil, there is rich, red-clay subsoil.

The total area of the park is and includes the water, sea bed and subsoil to a depth of below the sea bed.

Like most of the central Michigan area, it lies on the ancient sea bed and has a sandy subsoil which lies above an iron ore base.

This fine-textured material may form a distinct layer or comprise the entire subsoil.

Most soils of Pleasanton are quite sandy at the surface but have a clay-rich subsoil which holds moisture.

The combination of chalk in the subsoil with a dry local climate, and its agricultural use consisting primarily of cattle grazing, has created some of Denmark's richest meadowlands.