| Primary lithology: | shelly/skeletal lithified "limestone" |
| Lithology description: The Kõrgessaare Fm. is composed of "bioclastic limestones" (Raukas & Teedumäe [eds.] 1997, Geology and Mineral Resources of Estonia, html version, http://sarv.gi.ee/geology) |
| Environment: | open shallow subtidal |
| Geology comments: "North Estonian Confacies Belt at the northern flank of the Livonian Tongue" (Kröger & Isakar, 2006) |