- Ifallgoeswell,thelarvaewillbegintometamorphosefromthoselittlealiensintomoreshrimp-likecreatures.Finallygreatdepthofburial,longtimeandhighertemperaturemaymetamorphosetheligniteintosoftcoalorbituminouscoalandinextremecases,tohardcoaloranthracite....
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