Tlic Lancnshire Coalfield Undcr this t,itlc, thc Fucl Rescnrcli Board lins issucd (H.X. Stntioiicry Ollicc, 1)ricc 1s. Cd.) Pait I of tlic fourth inst:ilincnt8 of tlic pliysical and clicinicnl s w ~c y of tlic nntioiinl conl resources. Thc rcport dcscribcs Inborntory cspcriincnts cnrricd out by tlic Lnncnsliirc and Clicsliirc Con1 13csenrcli Associntioii. To show t.lic vnrintions in dcrclo1)iiient of tlic scniii niid the oiigiii of tlic stiinplcs niialyscd, a diiigrniii of cnc~i coinplctc section csnminccI ; s iiiclritlctl wit11 tlic niinlgscs. Tlicrc :we also iiotcs on tlic nsli, tliiriiin :ind fusaiii in t.lic co:il, 011 con1 wnsliing tcsts, and on the inicroscopicnl csnminnt~ion of the cod. '.l'lic* viirinblc conipositioii of tlic seniti suggcsts its utilisnt.ion iis ~~ulvcriscd furl. A scrics of stcnnirnisiiig tests with tlic conl is in progress n t H.11.
Fuel licscnrcli Station, ant1 its bclinviour uiitlcr lowrind Iiigli-tc.nil,crntiirc cnrbonisntion is liciiig stiidictl. TIicsc cspwiiiieiits and tlic rrsiilts obtniiiccl will bc dcscrilJct1 in Part 11 of tlic rcporl.