Research Article

Occurrence and Origin of H2S from Volcanic Reservoirs in Niudong Area of the Santanghu Basin, NW China

Table 2

General properties of fillings in the crack of core samples obtained from the Kalagang Formation in the Santanghu Basin.

Sample no.Depth (m)Filling featureCore

NDCT-011457.56-1457.68TaupeDark grey basalt
NDCT-021552.85-1553.00TransparentGreyish-green basalt
NDCT-031540.69-1540.93Greyish-greenGrey-brown basalt
NDCT-041508.63-1508.75WhiteTaupe tuff
NDCT-051509.48-1509.56White veinTaupe tuff
NDCT-061430.05-1430.20Milky whitePurple andesite