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
Bssyz--55 to 83 centimeters (21.7 to 32.7 inches); clay, 75 percent very dark brown (10YR 2/2) and 25 percent very dark grayish brown (10YR 3/2), moist; weak medium subangular blocky structure; very hard, extremely 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 vesicular and common very fine moderate-continuity vesicular pores; 20 percent prominent slickensides (pedogenic) on all faces of peds; 1 percent fine prominent gypsum crystal clusters and 1 percent fine prominent 10YR 8/1), moist, gypsum masses and 1 percent fine prominent gypsum crystal clusters; noneffervescent, by HCl, 1 normal; moderately alkaline, pH 8.0, pH indicator solutions; clear smooth boundary. Lab sample # 14N02434