54 Smelters' raw materials, 4 letters
An anagram for rose, 4 letters
Arsenopyrite and feldspar, 4 letters
Assayers assay them, 4 letters
Azurite and cuprite, e.g., 4 letters
Bank deposits, maybe, 4 letters
Barite and cuprite, e.g., 4 letters
Bauxite and borax, e.g., 4 letters
Bauxite and bornite, 4 letters
Bauxite and chromite, 4 letters
Bauxite and cinnabar, 4 letters
Bauxite and cinnabar, e.g., 4 letters
Bauxite and columbite, e.g., 4 letters
Bauxite and galena, e.g., 4 letters
Bauxite and hematite, 4 letters
Bauxite and pitchblende, 4 letters
Bauxite and stibnite, e.g., 4 letters
Bauxite and taconite, 4 letters
Blast furnace fodder, 4 letters
Blast furnace input, 4 letters
Bonanza discoveries, 4 letters
Borax and bauxite, e.g., 4 letters
Bornite and cinnabar, 4 letters
Candidates for refinement, 4 letters
Celestine and cinnabar, 4 letters
Cinnabar and azurite, 4 letters
Cinnabar and barite, 4 letters
Cinnabar and bauxite, e.g., 4 letters
Cinnabar and cuprite, 4 letters
Cinnabar and galena, 4 letters
Cinnabar and hematite, 4 letters
Cinnabar and manganite, 4 letters
Cinnabar, taconite, etc., 4 letters
Cobaltite and mispickel, 4 letters
Columbite and cuprite, 4 letters
Contents of some deposits, 4 letters
Cuprite and limnite, 4 letters
Cuprite and tinstone, 4 letters
Diggers' discoveries, 4 letters
Doodlebugs are used to find them, 4 letters
Extracted valuables, 4 letters
Feldspar and others, 4 letters
Filthy lucre sources?, 4 letters
Flashes in some pans, 4 letters
Fodder for the smelter, 4 letters
Galena and bauxite, for two, 4 letters
Galena and beryl, for two, 4 letters
Galena and cinnabar, 4 letters
Galena and feldspar, 4 letters
Galena and hematite, 4 letters
Galena and hematite, e.g., 4 letters
Galena and limonite, 4 letters
Galena and limonite, e.g., 4 letters
Galena and mispickel, 4 letters
Galena and mispickel, e.g., 4 letters
Galena and tinstone, 4 letters
Gold and silver, e.g., 4 letters
Gold or silver sources, 4 letters
Great Lakes cargoes, 4 letters
Ground-breaking discoveries, 4 letters
Hematite and bauxite, 4 letters
Hematite and galena, 4 letters
Hematite and galena, e.g., 4 letters
Hematite and malachite, 4 letters
Hematite and manganite, 4 letters
Iron and copper, e.g., 4 letters
Iron and manganese, e.g., 4 letters
Jacutinga and galena, 4 letters
Jacutinga and tinstone, 4 letters
Limnite and hematite, 4 letters
Loads found in lodes, 4 letters
Magnetite and malachite, 4 letters
Malachite and galena, 4 letters
Malachite and magnetite, 4 letters
Malachite and others, 4 letters
Many end with '-ite', 4 letters
Metal-bearing minerals, 4 letters
Metal-bearing rocks, 4 letters
Metal-yielding rocks, 4 letters
Metallic Youthmovies song?, 4 letters
Metallurgist's materials, 4 letters
Metallurgist's raw material., 4 letters
Metallurgist's stock, 4 letters
Metallurgist's study, 4 letters
Metallurgists' studies, 4 letters
Metallurgists' supplies, 4 letters
Metals from the earth, 4 letters
Metals in the rough, 4 letters
Mineralogical deposits, 4 letters
Mineralogist's sample set, 4 letters
Mineralogists' samples, 4 letters
Minerals in stores?, 4 letters
Minerals in the raw, 4 letters
Minerals that are mined and refined, 4 letters
Mining tram contents, 4 letters
Mispickel and bauxite, e.g., 4 letters
Mispickel and feldspar, 4 letters
Mispickel and galena, 4 letters
Molybdenite and cinnabar, e.g., 4 letters
Ones in need of refinement, 4 letters
Pitchblende and bauxite, 4 letters
Pitchblende and cassiterite, 4 letters
Pitchblende and cassiterite, for two, 4 letters
Pitchblende and cinnabar, 4 letters
Power shovel excavations, 4 letters
Prill and stibonite, 4 letters
Prospectors' objectives, 4 letters
Elektra's brother, murderer of their mother Klyt, 5 letters
Puckster Kindrachuk, 5 letters
Like a classic Greek trilogy, 8 letters
Aeschylus masterwork, 8 letters
Trilogy that includes Agamemnon, 8 letters
Aeschylus protagonist, 7 letters
Agamemnon's avenger, 7 letters
Brother of Iphigenia, 7 letters
Clytemnestra's killer, 7 letters
Clytemnestra's slayer, 7 letters
Electra's co-conspirator, 7 letters
Euripides hero who killed his mother to avenge his father, 7 letters
He avenged the murder of Agamemnon, 7 letters
Hero of Sophocles' Electra, 7 letters
Homeric character who commits matricide, 7 letters
In myth, killer of his own mother, Clytemnestra, 7 letters
Iphigenia's brother, 7 letters
Matricidal figure of myth, 7 letters
Matricide of Greek myth, 7 letters
Minoso, a.k.a. Minnie, 7 letters
Mythical fellow of a sort, see?, 7 letters
Slayer of Clytemnestra, 7 letters
Son of Clytemnestra, 7 letters
Stereos may present Greek tragedy, 7 letters
Strauss opera figure on stereos, 7 letters
Tragedy by Euripides, 7 letters
(Greek mythology) the son of Agamemnon and Clytemnestra, 7 letters