A thin section of green spotted dolerite rock from Foel Eryr, Preseli mountain between glass slides for identification by microscopy plus sample

---

Size: 5270px × 3504px
Location: wales
Photo credit: © Holden Geology / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: boulder, bristol, channel, coast, coastline, devensian, discovery, dolerite, erosion, erratic, feldspar, finds, geology, geomorphology, glacial, glaciation, glacier, green, hills, ice, icebergs, identification, intertidal, irish, level, magnatite, moraine, mountains, mumbles, olivine, petrology, prescelly, preseli, rock, sea, section, shore, shoreline, south, spotted, stonehenge, thin, transport, wales, welsh