June 7, 2026Sweep of a Construction ZoneTodayIambackatwhatisnowaconstructionsite.Thisis theareawherewedidagrouphuntlastyear.See:June21, 2025- AnExceptionalGroupHunt. Alsosee:July20,2025- Mark’sandRoger’sExcellent Adventure.Groundwasbroken toextendaroadearlierthisspringbutbeinganactivework siteIstayedclear.Ithasrainedalotrecentlyandtheworkers arenotheresoIthoughtthistobeaperfectopportunityto metal detect along the earth works and piles of soil.Wellfunnyhowsomethingthatseemssoeasyfromthe comfortofyourarmchaircanactuallybeawholelotharder thanexpected.Metaldetectingataverticalangle,upand downa6footpileofsoil,isquiteachallenge.Yourmuscles andshouldersgetsorerealquickasthisisnotamovement thatdetectoristswouldbeusingveryoftenandcertainlynot forasustainedperiodoftime.Iswitchedmysweepingfrom therightsidetotheleftsideandthenbothhandsandthena breakandthenIstartedalloveragain.Wasitworthit?The shortanswerisyes.Theearthpilesrepresentanopportunity tofinditemsthatwouldotherwisebelostforeveroncethe roadisbuilt.ThedetectordidpickupburieditemsbutIalso pickedoutquiteafewartifactsthatweresittingonthe surface.Therehadbeenquiteabitofrainfallandthat washedandexposednumerousartifactsasconfirmedbythe amount of glass and ceramic that I picked up.Thebestpiecefoundwasawhitequartz(albeitbroken) arrowhead.Whitequartziseasilyfoundandwasacommon materialusedbyaboriginalresidentsoftheplains.Thebelt buckleisprobablyhorsetack.Thefour-holebuttonwasalso asurfacefind.Whatsurprisedmewerethetwolargenuts thatstillcontainabrokenbolt.Ican’timaginewhatthatwould havebeentiedto.Thenearbyrailroadcomestomind.The partialbrickisaveryearlybricktype,thusveryold.Thereis alsoabrowncherttyperockthatmaypossiblyhavebeen knappedatsomepointintime.I’mgoingtohaveanexpert lookatthatpiecetoconfirmornegatewhatitis.Sometimes a rock is just a rock.RogerReferences:https://rocksminerals.flexiblelearning.auckland.ac.nz/rocks/chert.html