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Author

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1		-XWiki.RoelofZwaan
	1	+XWiki.terraindex

Content

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41	41	Reinforcement layers for asphalt.
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43		-== Cat clay ==
	43	+== Acid clay ==
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45		-Katteklei, also cat clay is the common name for mostly clay (but sometimes venomous) deposits in which, in addition to sulphuric acid, large amounts of iron, aluminum and heavy metals also occur. As a result, the soil is poorly suited for agriculture. These soils are especially recognizable by the yellow jarosite spots, in addition, iron stains are common. The acidity of the soil is high (pH 9).
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47		-Katteklei forms in soils that naturally contain many iron sulphides, especially pyrite. These usually arise in coastal areas, especially in quiet environments such as lagoons or quiet parts of estuaries and often on the edge of peatlands that emit a lot of iron-containing water. When these soils are exposed to air, for example during drainage, sulfuric acid forms. This used to happen frequently in the Western Netherlands when the drying plants were pumped out, leaving some farmers stuck with very bad plots of land. [3]
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49	49	== Ammunitions ==
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51	51	Remnant of fired gun and can cause lead poisoning of the soil.
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57	57	== Asbestos ==
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59		-Asbestos is a term used to refer to six naturally occurring silicate minerals. All are composed of long and thin fibrous crystals, each fiber being composed of many microscopic 'fibrils' that can be released into the atmosphere by abrasion and other processes. Asbestos is used to strengthen ceramic creations and in walls or roofs of houses. When one suspect the presence of asbestos in a decayed wall or roof one needs to select the 'Asbestos suspect material'-field. More on asbestos-sampling and other specification can be found on the following [[page>>doc:Characteristics .Samples .Asbestos.WebHome]].
	55	+Asbestos is a term used to refer to six naturally occurring silicate minerals. All are composed of long and thin fibrous crystals, each fiber being composed of many microscopic 'fibrils' that can be released into the atmosphere by abrasion and other processes. Asbestos is used to strengthen ceramic creations and in walls or roofs of houses. When one suspect the presence of asbestos in a decayed wall or roof one needs to select the 'Asbestos suspect material'-field. More on asbestos-sampling and other specification can be found on the following [[page>>doc:Eigenschappen.Samples .Asbestos.WebHome]].
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61	61	== Asphalt or bitumen ==
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174	174	Any rock-forming mineral that has a specific gravity greater than 2.8 and that is generally dark in color.
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176		-== [[Detritus>>doc:Environmental Surveys.Organic depositions.Detritus.WebHome]] ==
	172	+== [[Detritus>>doc:Organic depositions.Detritus.WebHome]] ==
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178	178	Detritus is particles of rock derived from pre-existing rock through processes of weathering and erosion. Detritus can also be dead organic material.
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182	182	Dolerite is an igneous rock with a silica amount of 48 till 52%. The minerals present in dolerite are: olivine, plagioclase, biotite, amphiboles and pyroxenes.
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184		-== [[Dy>>doc:Environmental Surveys.Organic depositions.Dy.WebHome]] ==
	180	+== [[Dy>>doc:Organic depositions.Dy.WebHome]] ==
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186	186	Type of soil formed in nutrient low waters which mainly consist of very fine sunken organic components.
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362	362	Unwanted or unusable material, substances, or by-products.
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364		-== [[Wood>>doc:Environmental Surveys.Organic depositions.Wood.WebHome]] ==
	360	+== [[Wood>>doc:Organic depositions.Wood.WebHome]] ==
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366	366	Wood is the hard fibrous material that forms the main substance of the trunk or branches of a tree or shrub, used for fuel or timber.
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