SCIENCE|natural and applied sciences|earth sciences
- gaineamh docht Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- tight sand
- en
- Definition sandstone or limestone formations that are atypically impermeable or nonporous Reference "Rigzone, What Is Tight Gas, and How Is It Produced? (22.4.2020)"