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
4C--176 to 203 centimeters (69.3 to 79.9 inches); silty clay, brown (10YR 4/3), moist; massive; 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; 20 percent prominent slickensides (geogenic) on all faces of peds; 1 percent fine distinct spherical 10YR 2/1), moist, manganese masses with sharp boundaries throughout and 5 percent medium prominent 10Y 5/1), moist, iron depletions with clear boundaries on faces of peds and 25 percent medium prominent 7.5YR 5/8), moist, iron-manganese masses with clear boundaries on faces of peds; 10 percent subrounded 2 to 25-millimeter volcanic rock fragments; noneffervescent, by HCl, 1 normal; moderately alkaline, pH 8.0, pH indicator solutions. Lab sample # 14N02439