No, it is not.
Petroleum is a form of resource.
Shale
Coal, petroleum and methane are materials of organic origin, not metals. Thorium minerals are: monazite, thorianite, thorite, allanite.
Guatemalaâ??s natural resources include nickel, petroleum, hydropower, rare woods, wildlife and fish. Guatemala is basically an agricultural and livestock country but it also has a land which is rich in metallic and non-metallic minerals.
Metallic (I) a metallic ore is a substance which contains sufficient amount of metals in it which can be extracted(II)these are the extracts of substances in its impure form resembling any characteristics of metals(III)it includes iron,copper,silver etcNon Metallic(I)non metallic ores doesnt contains amount of metallic substances they contains other substances like amount of coal , petroleum etc(II)these are the extracts of substances in its impure form without resembling any characteristics of metals(III)it includes nitrate,limestone,potash etc
cellulose, some large starches, petroleum, metallic iron, etc. Various types of bacteria and fungi do have the right enzymes to digest these, but humans don't.
Xerox copying technology, formation of lightening, tying a metallic chain with petroleum tank being carried by a truck just to avoid combustion of the fuel.
O. N. Anand has written: 'Metallic petroleum sulphonates' -- subject(s): Additives, Dispersing agents, Lubricating oils, Sulphonated oils
Metallic and non-metallic
It is a mixture - partially metallic and partially non-metallic
petroleum refining is petroleum refining
Non-metallic
The BMW M3 E46 was available in 13 colours. The colours were white, red, black, blue, black metallic, sapphire metallic, silver metallic, steel grey metallic, silver grey metallic, topaz blue metallic, mystic blue metallic, interlagos blue metallic, Oxford green metallic and yellow metallic.