| OOLITE | Sedimentary rock such as limestone consisting of tiny spherical concentric grains within a fine matrix (6) |
| OOLITIC | Type of limestone consisting of tiny spherical concentric grains within a fine matrix |
| NUISANCE | Such an annoyance ...is lying within a fine distinction... (8) |
| TRAP | Word for a snare; a door set in a floor; a light carriage on springs; or, igneous rock, such as basalt, whose name, from "stair", refers to its often step-like formation (4) |
| IGNEOUS | From the Latin meaning "fiery", a type of rock such as rainbow obsidian or "heaven eye", formed from the solidification of magma (7) |
| REEFS | Ridges of coral or rock, such as the atolls encircling lagoons (5) |
| RING | A band of gold or silver, sometimes set with gems; an "elf circle" of champignon mushrooms on a woodland floor; one of the concentric markings in the trunk of a tree; or, a disc of matter orbiting Sat |
| WHORL | Word for a spindle's flywheel or wharve originally, later a pattern of concentric circles; a single convolution in a spiral shell; a radial arrangement of petals or leaves; or, a gyre or swirl in a fi |
| ORE | From "brass, bronze", word for unwrought metal first, later a mineral or rock, such as gold or quartz, that can be worked economically (3) |
| LAVA | Magma that cools and solidifies to form igneous rock such as basalt, granite, obsidian or pumice (4) |
| ASTEROID | Space rock, such as one destroyed in NASA's DART mission |
| ATOMICAL | Consisting of tiny bits |
| MINERALOIL | Hydrocarbon extracted from rocks, such as petroleum |
| METAMORPHIC | Adjective for rocks such as gneiss and slate (11) |
| WARLOCKS | It takes men with magic powers to rock such laws (8) |
| SMELTS | Utilizes, as limestone to purify ores |
| PEA | Tiny, spherical veggie |
| TUNIC | A concentric layer of an onion; the coat of a sea squirt; a gym slip; or, an ancient Greek or Roman chiton (5) |
| TARGET | A buckler or small round shield; or, an object with concentric rings used as a butt for shooting at, hence a word for the butt of criticism or ridicule (6) |
| COAXIAL | Of a cable, transmitting high-frequency electrical signals by means of two concentric conductors separated by an insulator (7) |
