| 20 answers for: A stratum of coal, ore, etc (4) |
| RANK | ANSWER | CLUE |
| SEAM | A stratum of coal, ore, etc (4) |
| SEEM | Appear in a stratum of coal say (4) |
| MINING | Extraction of coal, ores, etc (6) |
| AUCTIONEER | He gets rid of lots of gold, tossing in ore etc (10) |
| MINER | One whose work is digging coal, ore |
| BED | A berth, bunk, palliasse, shakedown etc, such as Shakespeare's "second- best" example which he bequeathed to his wife; or, something thusly flat, such as a garden plot of roses, a layer of oysters or |
| FOLDING | A geological process that causes a bend in a stratum of rock (7) |
| SUBSOIL | A stratum of earth |
| TIER | A stratum wheel band they say |
| VEIN | Stratum of ore |
| LAYER | A stratum; one of the thicknesses of ingredients forming a lasagne, sandwich, tian or Victoria sponge, for example; a hen kept for her eggs; or, a garment worn over/under others (5) |
| SPHERE | A globe; a literary word for the night sky perceived as a vaulted roof; or, a class or stratum of society (6) |
| OUTCROP | Emergence of a stratum |
| MINERALOGY | Study of ores, etc |
| EXAMINING | Going through early examples of extracting ores, etc. |
| MINERALS | Metals, ores, etc. (8) |
| ASSAYS | Tests ores, etc |
| MINERALOGIST | Expert in ores, etc |
| BIOSPHERE | The _________ is a relatively thin life-supporting stratum of Earth's surface, composed of living organisms and the abiotic factors from which they derive energy and nutrients (9) |
| UPPERCRUST | The aristocracy or a higher stratum of people in a society (5,5) |
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