Песок, фотограф Solvin Zankl, часть I

[sineeMesto]

This handful of white sand from a beach in Raja Ampat, Indonesia, consists to a large extent of biogenous calcareous particles. Thus upon closer examination many grains reveal their previous lifes as skeletal parts of small animals or even plants.


A variety of tests from foraminiferes from a sand sample collected in Raja Ampat, Indonesia. The shells come from pelagic as well as bottom dwelling species that settle on sand, seagrass or coral reefs. (Clavulina multicamerata, Operculina ammonoides, Amphistegina radiata, Neoeponides repandus, Baculogypsina sphaerulata, Septotextularia rugosa, Heterostegina depressa, Calcarina spengleri, Quinqueloculina seminula, Celanthus sp., Sorites orbiculus, Massilina granulocostata, Globigerinoides sp., Spiroloculina sp., Calcarina mayori, Sahulia conica, Peneroplis planatus). Diagonal of frame approx. 5 mm


The tiny shells of the minute sea snail (Schwartziella ephamilla) remained intact between all the other grains of the sand. Raja Ampat, Indonesia. Diagonal of frame approx. 2 mm


7x Baculogypsina sphaerulata, 5x Calcarina mayori. Shells (socalled tests) of foraminifera from the order Rotaliida. In the living animal the spiny processes hold protoplasma filaments which enables the foraminifere to trap its microscopic prey.


Foraminifera shells from sample of calcareous sand: Peneroplis planatus. The shell (test) has numerous holes through that the net of pseudopods emerges. Raja Ampat, Indonesia. Diagonal of frame approx. 3 mm