Javierwas a nine-year-oldboywholivedwithhisparentsinthehillsidetownofAdemusintheprovinceofValenciainSpain. Javierwas a curiousandenergeticboy. Hisfavouritepastimewastoexplorethehillsandopenfieldsaroundhistown.
Theneighbouringvillageof Río Deva, just 26 kilometresawayfromAdemus, wasfamousbecauseof a greatdiscoverythere. In 2003, paleontologistsfoundthebonesofthelargestdinosaurinEurope, in a wheatfieldnearthelittlevillage. Whenitwasalive, thisanimalwasover 38 metreslongandhadtheweightofsevenelephants.
Onesummermorning, Javierwasexploringin a fieldnear a ravinejustoutsideofthetown. Helookeduptoseehistwofriends, FernandoandPepe, runningtowardhimwith a colourfulkite.
Itcouldbe a dinosaurbone, hesaid. Ifitis, we'llneedtodeterminehowolditis.
恐竜の骨かもしれない、と彼は言った。もしそうなら、何年前のものかを調べる必要があります」。
Howdoyoudothat? askedJavier.
どうやるんだ?
Thisbonewasburiedinsedimentaryrockwhichliesinlayersundertheground. We'lllookforvolcanicashbelowandabovethisrocklayer. Through a specialprocess, wecanfindouttheagesofthoselayersofash. Thenwe'llknowthatthedinosaurdiedsometimebetweenthosetwoages.
Soonmanypaleontologistsbeganexcavatingtheareaaroundthebone. Theyfoundmorebones, aswellas a skull. Itwas a uniquedinosaurtheydidn't knowabout. TelevisionreporterscametothetownandspoketoJavieraboutthebonehediscovered.