Modifiers matching formation:

• special,
• quaternary,
• geologic,
• soft,
• geological,
• natural,
• abrasive,
• typical,
• stable,
• regular,
• military,
• geophysical,
• strong,
• social,
• up,
• active,
• underground,
• sacred,
• crystalline,
• territorial,
• exterior,
• conceptual,
• traditional,
• geometric,
• separate,
• harder,
• acid,
• hollow,
• structural,
• unconsolidated,
• unusual,
• intricate,
• virtual,
• hard,
• larger,
• spiritual,
• porous,
• impersonal,
• rocky,
• major,
• morbid,
• surrounding,
• volcanic,
• siliceous,
• permeable,
• elastic,
• underwater,
• impermeable,
• solid,
• monolithic,
• subsurface,
• plastic,
• sticky,
• historical,
• past,
• spatial,
• glacial,
• diverse,
• rare,
• internal,
• pathologic,
• particular,
• defensive,
• geographical,
• impervious,
• molecular,
• sedimentary,
• medium,
• softer,
• mental,
• common,
• pedestrian,
• strange,
• calcareous,
• geographic,
• coastal,
• formal,
• undesirable,
• ideological,
• organic,
• unstable,
• pointed,
• earthen,
• salt,
• small,
• national,
• cultural,
• homogeneous,
• conical,
• unique,
• galactic,
• vertical,
• driving,
• individual,
• cambrian,
• beautiful,
• offer,
• nearby,
• symbolic,
• dense,
• tropical,
• organized,
• impressive,
• polygonal,
• political,
• standard,
• discrete,
• key,
• uniform,
• igneous,
• star,
• massive,
• smaller,
• weak,
• tall,
• christian,
• popular,
• thick,
• complex,
• interesting,
• ancient,
• deep,
• large,
• personal,
• moving,
• artistic,

Simple categories matching glacial:

• ridge,
• deposit,
• sediment,
• system,
• land,
• feature,
• formation,
• material,
• drift,