United States, Puerto Rico, Lajas Municipio, Atlantic Neotropical (D04), Lajas Experimental Station NEON (LAJA), Lajas Experimental Station Megapit, MP1 [Location ID: MEGAPT100979]
18.02184 -67.07608 +-3m. WGS84
19N 703592.28034E 1993595.10095N
40 meters (131ft)
Soil sample from the megapit for archive
NEON.DOC.001307vA
Bkssyz--83 to 107 centimeters (32.7 to 42.1 inches); clay, 90 percent dark yellowish brown (10YR 4/4) and 10 percent very dark grayish brown (10YR 3/2), moist; weak medium subangular blocky structure; slightly hard, firm, very sticky, very plastic; high toughness; high penetration resistance; high excavation difficulty; common fine roots throughout; common very fine moderate-continuity tubular and common very fine moderate-continuity irregular pores; 5 percent prominent slickensides (pedogenic) on all faces of peds; 1 percent fine distinct spherical manganese masses with sharp boundaries throughout and 1 percent medium distinct spherical manganese masses throughout and 2 percent medium prominent 7.5YR 5/8), moist, masses of oxidized iron with clear boundaries on faces of peds and 5 percent fine prominent 7.5YR 5/8), moist, masses of oxidized iron with clear boundaries on faces of peds; 5 percent fine prominent gypsum crystal clusters and 5 percent fine prominent 10YR 8/1), moist, gypsum masses and 5 percent fine prominent gypsum crystal clusters; slight effervescence, by HCl, 1 normal; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary. Lab sample # 14N02435