aa ah-ah accretion ah-KREE-shun aftershock AF-ter-shok aiguille ay-GWEE alcove AL-kohv alkali flat AL-kuh-lye flat alluvium ah-LOO-vee-um ammonite AM-uh-nite angle of repose ANG-gul uhv rih-POHZ anticline AN-tih-klyn aquifer AK-wih-fer artesian ar-TEE-zhun arête ah-RET atoll AT-all or ah-TOLL

babyheads BAY-bee-hedz badlands BAD-landz bajada bah-HAH-duh balanced rock BAL-unst ROK bar BAR barchan bar-KAHN barranca bah-RAHN-kah barrier island BAIR-ee-ur EYE-lund basin and range BAY-sin und RAYNJ batholith BATH-uh-lith bedrock BED-rok beeswing BEEZ-wing belemnite BEL-em-nite bentonite BEN-toh-nite Beringia beh-RIN-jee-uh blowhole BLOH-hohl blowout BLOH-owt bolide BOH-lide bolson bohl-SOHN bornhardt BORN-hart boulder garden BOHL-dur GAR-den box canyon BOKS KAN-yun breccia BRECH-ee-uh brine BRINE brontide BRON-tide butte BYOOT buttress BUH-tris

cairn KAIRN caldera kal-DEHR-ah caliche kah-LEE-chee caprock KAP-rok cenote seh-NO-tay cerro de trincheras SEH-roh deh trin-CHEH-rahs charco CHAR-koh chernozem CHER-noh-zem chickenhead CHIK-in-hed chine CHYNE chockstone CHOK-stohn choss CHOSS cinder SIN-der cleugh KLOOKH clitter KLIT-er colluvium koh-LOO-vee-um cone of depression KOHN uhv dih-PRESH-un conodont KOH-nuh-dont coprolite KOP-ruh-lite corrie KOR-ee coulee KOO-lee crag KRAG creep KREEP crimp KRIMP crinoid KRY-noyd cryoconite KRY-oh-kuh-nite cryptobiotic crust krip-toh-by-OT-ik cuesta KWES-tuh

deflation dee-FLAY-shun delta DEL-tuh desert pavement DEZ-urt PAYV-munt desert varnish DEZ-urt VAR-nish dike DYKE donga DONG-ah dreikanter DRY-kan-ter drift DRIFT drumlin DRUM-lin dry fall DRY FAWL duricrust DOOR-ih-krust dyke DYKE

earthquake URTH-kwayk epicenter EP-ih-sen-ter erg URG erratic ih-RAT-ik escarpment es-KARP-ment esker ESS-ker exfoliation ex-foh-lee-AY-shun

fall line FAWL LYNE fault FAWLT fault line FAWLT lyne fault scarp FAWLT SKAHRP feldspar FELD-spar finger lake FING-ger layk flake FLAYK flatiron FLAT-eye-urn floodplain FLUHD-playn flume FLOOM foreshock FOR-shok frost line FRAWST lyne fulgurite FUL-gyuh-rite fumarole FYOO-mah-role fusain fyoo-ZAYN

gendarme zhon-DARM geoglyph JEE-oh-glif geyser GUY-zer gibber GIB-er glacial polish GLAY-shul PAHL-ish gley GLAY gneiss NICE gooseneck GOOS-nek gorge GORJ graben GRAH-ben grotto GROT-oh

hamada hah-MAH-dah hogback HOG-bak hoodoo HOO-doo horizon hoh-RY-zun hornblende HORN-blend horst HORST hueco WAY-koh hypocenter HY-poh-sen-ter

inselberg IN-sel-berg intaglio in-TAL-yoh isostasy eye-SOS-tah-see

karst KAHRST kettle KET-uhl koppie KOP-ee krans KRAHNS

lahar LAH-har laterite LAT-er-ite lava tube LAH-vuh TOOB lichen LY-ken liquefaction lik-wih-FAK-shun loess LUHS

malpais mal-pie-EES Mercalli scale mer-KAH-lee mesa MAY-sah mica MY-kuh mineral soil MIN-er-uhl soyl monadnock moh-NAD-nok monocline MON-oh-klyn Moqui marble MO-kee moraine moh-RAIN

nunatak NUN-ah-tak

obsidian ob-SID-ee-un offwidth AWF-width outwash OWT-wahsh

pahoehoe pah-HOY-hoy parent material patina puh-TEE-nuh patterned ground PAT-ernd grownd peat PEET pediment PED-ih-ment pedology peh-DOL-oh-jee penitentes pen-ih-TEN-tays permafrost PER-mah-frost petroglyph PET-roh-glif picacho pee-KAH-choh pictograph PIK-toh-graf piedmont PEED-mont pingo PING-oh playa PLY-ah pocket water POK-it WAW-ter podzol POD-zol point bar POINT bar pothole POT-hohl pumice PUM-is pyroclastic flow py-roh-KLAS-tik

refugium reh-FYOO-jee-um reg REG regolith REG-oh-lith Richter scale RIK-ter rift RIFT rimrock RIM-rok rincón rin-KOHN Ring of Fire RING uhv FYE-er riprap RIP-rap rock flour ROK flow-er

sabkha SUB-kah sand boil SAND boyl sarsen SAR-sen saxifrage SAX-ih-frij scarp SKARP scaur SKOR schist SHIST scree SKREE seiche SAYSH seif SAFE seismic wave SIZE-mik seismograph SIZE-moh-graf serir seh-REER serpentine SUR-pen-teen sieve SIV sinter SIN-ter sintering SIN-ter-ing slickrock SLIK-rok slot canyon SLOT KAN-yuhn splitter SPLIT-er star dune STAR doon subduction sub-DUK-shun subduction zone sub-DUK-shun zohn substrate SUB-strayt

tafoni tuh-FOH-nee talus TAL-us tectonic tek-TON-ik temblor tem-BLOR tephra TEF-rah terra preta TEHR-ah PREH-tah terra rossa TEHR-ah ROSS-ah thermokarst THER-moh-karst till TILL tinaja tee-NAH-hah tombolo TOM-boh-loh trimline TRIM-lyne tsunami tsoo-NAH-mee tufa TOO-fuh turbidite TUR-bih-dite

umber UM-ber unconformity un-con-FOR-mih-tee uplift UHP-lift

vadose VAY-dohs varve VARV ventifact VEN-tih-fakt verdigris VUR-dih-grees volcanic neck vol-KAN-ik NEK

water table WAH-ter TAY-buhl waterpocket WAH-ter-pahk-it whaleback WAYL-bak

xenolith ZEN-uh-lith

yardang YAR-dang yedoma yuh-DOH-muh