http://inspire.ec.europa.eu/codelist/LithologyValue/basicIgneousMaterial
2015-08-18 17:31 PM CEST
basic igneous material
basic igneous material
Igneous material with between 45 and 52 percent SiO2.
Igneous material with between 45 and 52 percent SiO2.
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http://inspire.ec.europa.eu/codelist/LithologyValue/basicIgneousRock
2015-08-18 18:01 PM CEST
basic igneous rock
basic igneous rock
Igneous rock with between 45 and 52 percent SiO2.
Igneous rock with between 45 and 52 percent SiO2.
http://inspire.ec.europa.eu/codelist/LithologyValue/gabbroicRock
2015-08-18 18:03 PM CEST
gabbroic rock
gabbroic rock
Gabbroid that has a plagioclase to total feldspar ratio greater than 0.9 in the QAPF fraction. Includes QAPF fields 10*, 10, and 10'. This category includes the various categories defined in LeMaitre et al. (2002) based on the mafic mineralogy, but apparently not subdivided based on the quartz/feldspathoid content.
Gabbroid that has a plagioclase to total feldspar ratio greater than 0.9 in the QAPF fraction. Includes QAPF fields 10*, 10, and 10'. This category includes the various categories defined in LeMaitre et al. (2002) based on the mafic mineralogy, but apparently not subdivided based on the quartz/feldspathoid content.
http://inspire.ec.europa.eu/codelist/LithologyValue/quartzGabbro
2015-08-18 18:04 PM CEST
quartz gabbro
quartz gabbro
Gabbroic rock that contains between 5 and 20 percent quartz in the QAPF fraction. QAPF field 10*.
Gabbroic rock that contains between 5 and 20 percent quartz in the QAPF fraction. QAPF field 10*.
http://inspire.ec.europa.eu/codelist/LithologyValue/foidBearingGabbro
2015-08-18 18:02 PM CEST
foid bearing gabbro
foid bearing gabbro
Gabbroic rock that contains 0-10 percent feldspathoid minerals and no quartz in the QAPF fraction. QAPF field 10'.
Gabbroic rock that contains 0-10 percent feldspathoid minerals and no quartz in the QAPF fraction. QAPF field 10'.
http://inspire.ec.europa.eu/codelist/LithologyValue/gabbro
2015-08-18 18:03 PM CEST
gabbro
gabbro
Gabbroic rock that contains between 0 and 5 percent quartz and no feldspathoid mineral in the QAPF fraction. Includes rocks defined modally in QAPF Field 10 as gabbro.
Gabbroic rock that contains between 0 and 5 percent quartz and no feldspathoid mineral in the QAPF fraction. Includes rocks defined modally in QAPF Field 10 as gabbro.
http://inspire.ec.europa.eu/codelist/LithologyValue/basalt
2015-08-18 18:01 PM CEST
basalt
basalt
Fine-grained or porphyritic igneous rock with less than 20 percent quartz, and less than 10 percent feldspathoid minerals, in which the ratio of plagioclase to total feldspar is greater 0.65. Typically composed of calcic plagioclase and clinopyroxene; phenocrysts typically include one or more of calcic plagioclase, clinopyroxene, orthopyroxene, and olivine. Includes rocks defined modally in QAPF fields 9 and 10 or chemically in TAS field B as basalt. Basalt and andesite are distinguished chemically based on silica content, with basalt defined to contain less than 52 weight percent silica. If chemical data are not available, the color index is used to distinguish the categories, with basalt defined to contain greater than 35 percent mafic minerals by volume or greater than 40 percent mafic minerals by weight.
Fine-grained or porphyritic igneous rock with less than 20 percent quartz, and less than 10 percent feldspathoid minerals, in which the ratio of plagioclase to total feldspar is greater 0.65. Typically composed of calcic plagioclase and clinopyroxene; phenocrysts typically include one or more of calcic plagioclase, clinopyroxene, orthopyroxene, and olivine. Includes rocks defined modally in QAPF fields 9 and 10 or chemically in TAS field B as basalt. Basalt and andesite are distinguished chemically based on silica content, with basalt defined to contain less than 52 weight percent silica. If chemical data are not available, the color index is used to distinguish the categories, with basalt defined to contain greater than 35 percent mafic minerals by volume or greater than 40 percent mafic minerals by weight.
http://inspire.ec.europa.eu/codelist/LithologyValue/tholeiiticBasalt
2015-08-18 18:05 PM CEST
tholeiitic basalt
tholeiitic basalt
Tholeiitic basalt is defined here to contain 2 pyroxene phases and interstitial quartz or tridymite or cristobalite in the groundmass. Pyroxene (augite and orthopyroxene or pigeonite) and calcium-rich plagioclase are common phenocryst minerals. Olivine may also be a phenocryst, and when present, may have rims of pigeonite. Only in tholeiitic basalt is olivine in reaction relationship with melt. Interstitial siliceous residue may be present, and is often glassy. Tholeiitic basalt is relatively poor in sodium. This category includes most basalts of the ocean floor, most large oceanic islands, and continental flood basalts such as the Columbia River Plateau.
Tholeiitic basalt is defined here to contain 2 pyroxene phases and interstitial quartz or tridymite or cristobalite in the groundmass. Pyroxene (augite and orthopyroxene or pigeonite) and calcium-rich plagioclase are common phenocryst minerals. Olivine may also be a phenocryst, and when present, may have rims of pigeonite. Only in tholeiitic basalt is olivine in reaction relationship with melt. Interstitial siliceous residue may be present, and is often glassy. Tholeiitic basalt is relatively poor in sodium. This category includes most basalts of the ocean floor, most large oceanic islands, and continental flood basalts such as the Columbia River Plateau.
http://inspire.ec.europa.eu/codelist/LithologyValue/alkaliOlivineBasalt
2015-08-18 18:01 PM CEST
alkali olivine basalt
alkali olivine basalt
Alkali olivine basalt is silica-undersaturated, characterized by the absence of orthopyroxene, absence of quartz, presence of olivine, and typically contains some feldspathoid mineral, alkali feldspar or phlogopite in the groundmass. Feldspar phenocrysts typically are labradorite to andesine in composition. Augite is rich in titanium compared to augite in tholeiitic basalt. Alkali olivine basalt is relatively rich in sodium.
Alkali olivine basalt is silica-undersaturated, characterized by the absence of orthopyroxene, absence of quartz, presence of olivine, and typically contains some feldspathoid mineral, alkali feldspar or phlogopite in the groundmass. Feldspar phenocrysts typically are labradorite to andesine in composition. Augite is rich in titanium compared to augite in tholeiitic basalt. Alkali olivine basalt is relatively rich in sodium.