use. The fact that the list given here will no doubt conflict with some usages 

 cannot be avoided entirely. 



In a series of adjectives, the period normally used after an abbreviation may 

 be omitted. Each period occupies the space of a letter, and the cumulative space 

 in a line would be enough for one or two additional descriptive words. 



Abbreviations for Log Strips 



absorbed — abs 



absorption — absp 



abundant — abdt 



accumulation — accum 



agglomerate — agl 



aggregate— ag 



algae — algae 



algal — algal 



angular — ang 



anhydrite — anhy 



arkose, arkosic — ark 



banded — band 



barite — barite 



bentonite — bent 



biotite — bio 



bituminous — bitum 



black— bl 



blue — blue 



brachiopod — brach 



brown — brn 



brownish-gray — brn-gr., etc 



brecciated — breccia 



calcareous — calc 



chalcedony — chal 



chalk — chalk 



chert — cht 



chlorite — chlor 



clay — clay 



coal — coal, coaly 



coarse — crse 



colloidal — coll 



conglomerate — cglm 



conglomeratic — cglmtc 



cream — crm 



creamy — crmy 



crystal — cryst, xl 



crystalline — xln 



dark — dk 



darker — dkr 



different, difference — diff 



diffused — diffus 



disseminated — dissem 



dolomite — dolo 



dolomitic — dolom 



drab — drab 



elevated, elevation — elev 



fine, finely — fine, or f 



flint — flint 



fluorescence — fluor 

 fluorite — fluorite 

 fossiliferous — fossilif 

 fossils — fos 

 fusulinid — fusul 

 globular — glob 

 gradational — grada 

 grading — grad 

 granular — gran 

 gray — gr 

 green — grn 

 gyppy— gyppy 

 gypsiferous — gypsif 

 gypsum— gyp 

 hard — hd 

 igneous — ig 

 illite — illite 

 inclusion— incl 

 indurated — indur 

 interstices — interst 

 interstitial — interst 

 jasper — jasp 

 laminated — lam 

 large — lge 

 lavender — lav 

 lignite — lig 

 limestone — Is or lss 

 limonite — limon 

 limy — limy 

 little — lit 

 long — long 

 magnetite — mag 

 massive — mass 

 material — mat 

 matted — matted 

 medium — med 

 micaceous— mica 

 mudstone — mudst 

 muscovite — muse 

 olive — olive 

 oolitic— ool 

 opaque — op 

 opposite — oppos 

 orange — orange 

 orthoclase — orth 

 oxidized — ox 

 part — pt 

 phlogopite — phlog 



phosphate — phos 

 pink — pink 

 pin point — ppt 

 plagioclase — plag 

 plastic — plast 

 pores — pores 

 porous — por 

 purple — purp 

 quartz — qtz 

 quartzite — qtzte 

 quartzose — qtzse 

 random — rand 

 red — red 

 round — rnd 

 rugose — rug 

 rusty — rusty 

 salt — salt 

 sand — sd 



sandstone — ss, sss 

 sandy — sdy 

 saturated — sat 

 shale — sh 

 shaly — shy 

 siderite — sid 

 siliceous — sil 

 silt — silt 

 siltstone — sltst 

 slight — sit 

 slightly — sltly 

 sphalerite — sphaler 

 spicular — spic 

 stain — stn 

 staining — stng 

 subangular — subang 

 sucrosic — sue 

 sulphur — sulf 

 talc — talc 

 tarnished — tarn 

 tripolitic — trip 

 tubular — tub 

 undulating — undul 

 varicolored — varied 

 variegated — varig 

 vermiculite — vermic 

 vuggy— vug 

 water — wat 

 white — wh 

 with — w 

 yellow — yel 



Reprinted from Colorado School of Mines Quarterly, 1951, v. 46, no. 4. 



58 



