Changes for page Layer terminology
Last modified by Roelof Zwaan on 2021/12/07 11:08
Change comment:
Renamed back-links.
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... ... @@ -207,7 +207,7 @@ 207 207 208 208 Gravel is a loose aggregation of rock fragments. Gravel is classified by particle size range and includes size classes from granule- to boulder-sized fragments. ISO 14688 grades gravels as fine, medium, and coarse with ranges 2 mm to 6.3 mm to 20 mm to 63 mm. 209 209 210 -== [[Gypsum>>doc: Environmental Surveys.Rock types.Salts.Gypsum.WebHome]] ==210 +== [[Gypsum>>doc:Rock types.Salts.Gypsum.WebHome]] == 211 211 212 212 Gypsum is the common name for CaSO,,4,,ยท2 H,,2,,O and is present at places where the sea water is partly or totally dried up. These dried up areas form loose layers in between the other rocks. This type of rock is soluble in water and is formed close to halite and anhydrite. Gypsum breaks into rhombus shaped pieces. 213 213