lida |
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life |
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SN | A valid index term through 1977 used in combination with origin. |
life o |
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light microscopy |
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SN | As of 1993, see optical spectra, optical spectroscopy or microscope methods. |
Limbourg |
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SN | See Limburg for the region, Limburg Belgium, or Limburg Netherlands. |
Lincolnshire Limestone |
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RT | England | | Jurassic | | Ordovician | | Tennessee | | Virginia | SN | Ordovician formation in SW Virginia and NW Tennessee, and a Jurassic formation in England. Also search Lincolnshire Formation for the one in the United States; also search Lincolnshire Limestone Formation for the one in England. Indexed with ages as appli |
linear orientation |
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RT | orientation | SN | Before 1978, search linear. |
Lisbon Portugal |
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BT | Europe | | .Southern Europe | | ..Iberian Peninsula | | ...Portugal | | ....Lisbon Portugal | SN | Capital and port city, Lisboa district, SW coast of Portugal. Before 1993, also search Lisboa AND Portugal. Before 1998, this may have been used for other parts of Lisboa District. Indexed with Lisboa Portugal. |
lithogeochemical methods |
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SN | Not a valid term for GeoRef. See geochemical methods, geochemical surveys, or lithogeochemistry. |
lithology |
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SN | As of 1981, no longer a valid term for GeoRef. See petrology. |
Little Falls Formation |
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RT | Minnesota | | New York | | Paleoproterozoic | | Potsdam Sandstone | | Upper Cambrian | SN | Represents an offshore, more carbonate phase of Potsdam Sandstone, Galway Formation, and perhaps even part of Hoyt Limestone in the Upper Cambrian of E central and E New York. Also used for a Paleoproterozic formation in Minnesota. Indexed with age as app |
littoral |
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SN | A valid term through 1977. As of 1981, use intertidal environment. |
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