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Ajhil at 08:52, 27 October 2016

2016-10-27T08:52:41Z

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{{OR/13/013}}

{|
|- style="vertical-align:top;"
| ! scope="col" style="width: 140px;" | '''Aggregate:'''
| ! scope="col" style="width: 700px;" | Particles of rock which, when brought together in a bound or unbound condition, form part or whole of a building or civil engineering structure.
|- style="vertical-align:top;"
| '''Biogenic:'''
| A material formed by organisms or biological activity.
|- style="vertical-align:top;"
| '''Carboniferous:'''
| A period of geological time from 359 to 318 million years ago.
|- style="vertical-align:top;"
| '''Clast:'''
| A rock fragment; commonly applied to a fragment of pre-existing rock included in a younger sediment.
|- style="vertical-align:top;"
| '''Evaporite:'''
| A mineral formed from precipitation from concentrated brine.
|- style="vertical-align:top;"
| '''Flint:'''
| Variety of chert occurring in the Chalk of northern Europe.
|- style="vertical-align:top;"
| '''Fluvial:'''
| Relating to a river; a deposit produced by the action of a river.
|- style="vertical-align:top;"
| '''Glaciofluvial:'''
| May be applied to sediment transported and deposited by running water discharged from an ice mass.
|- style="vertical-align:top;"
| '''Glacial deposits:'''
| Heterogeneous material transported by glaciers or icebergs and deposited directly on land or in the sea. Often poorly sorted.
|- style="vertical-align:top;"
| '''Gravel:'''
| Granular material in clasts between 4 and 80 millimetres; coarse aggregate.
Used for general and concrete applications.
|- style="vertical-align:top;"
| '''Holocene:'''
| The youngest epoch of the Quaternary period from 0.01 million years to present.
|- style="vertical-align:top;"
| '''Mineral:'''
| A naturally formed chemical element or compound and normally having a characteristic crystal form and a distinct composition.
|- style="vertical-align:top;"
| '''Moraine:'''
| A landform deposited directly by a glacier.
|- style="vertical-align:top;"
| '''Permian:'''
| A period of geological time from 299 to 251 million years ago.
|- style="vertical-align:top;"
| '''Placer:'''
| A deposit of economic minerals formed by natural (often gravity driven) processes.
|- style="vertical-align:top;"
| '''Periglacial:'''
| Cold, dry climatic conditions occurring away from glacial ice.
|- style="vertical-align:top;"
| '''Pleistocene:'''
| An epoch of the Quaternary period from 2.58 to 0.01 million years ago.
|- style="vertical-align:top;"
| '''Quartz:'''
| Crystalline silica; an important durable rock-forming mineral.
|- style="vertical-align:top;"
| '''Quaternary:'''
| An era of geological time from 2.58 million years ago to present.
|- style="vertical-align:top;"
| '''Reserve:'''
| That part of a mineral resource that is economical to work and has been fully evaluated on a systematic basis by drilling and sampling and is free from legal or other obstruction that might inhibit extraction.
|- style="vertical-align:top;"
| '''Resource:'''
| Natural accumulations of minerals, or bodies of rock, that are, or may become, of potential economic interest as a basis for the extraction of a commodity.
|- style="vertical-align:top;"
| '''Sand:'''
| A granular material that is finer than 4 mm, but coarser than 0.063 mm.
|- style="vertical-align:top;"
| '''Sandstone:'''
| A sedimentary rock made of abundant fragments of sand size set in a fine-grained matrix or cementing material. The sand particles are usually of quartz.
|- style="vertical-align:top;"
| '''Siliclastic:'''
| a clastic sediment predominantly (over 50%) composed of silicate minerals
|- style="vertical-align:top;"
| '''Till:'''
| glacial sediments, often unsorted clay and boulders deposited directly from glaciers.
|- style="vertical-align:top;"
| '''Triassic:'''
| A Period of geological time from 250 to 200 million years ago.
|- style="vertical-align:top;"
| '''Westphalian:'''
| A Period of geological time during the late Carboniferous.
|}
[[Category: OR/13/013 The mineral resources of Scottish waters and the Central North Sea | 08]]

OR/13/013 Glossary - Revision history

Dbk: 1 revision imported

Ajhil at 08:52, 27 October 2016