@article{PAR00008669, title = {3.8 {G}a zircons sampled by {N}eogene ignimbrite eruptions in {C}entral {A}natolia}, author = {{P}aquette, {J}. {L}. and {L}e {P}ennec, {J}ean-{L}uc}, editor = {}, language = {{ENG}}, abstract = {{D}ating the oldest terrestrial rocks and minerals allows constraining the age and formation conditions of the ancient basement of our present-day continents. {T}he oldest terranes, with ages ranging from 3.8 {G}a to 4.0 {G}a, have been identified in {C}anada, while {A}ustralian zircon crystals dated at 4.4 {G}a represent the oldest dated minerals on {E}arth. {T}he exceptional resistance of zircon grains to repeated geological cycles has allowed dating 3.3-3.9 {G}a crystals in several {A}rchean cratons worldwide. {I}dentifying new, scarce but essential witnesses to this primitive {E}arth is still a challenging goal. {I}gnimbrites are silicic pyroclastic deposits produced by large-scale explosive eruptions. {D}uring magma residence and ascent, basement enclaves may be scavenged and mixed with the rhyolitic magma. {H}ere we show that an ignimbrite eruption from {C}entral {A}natolia ({T}urkey) dated at 5.4 {M}a has sampled {P}roterozoic and {A}rchean zircons ranging from 2.3 {G}a to 3.8 {G}a in age. {T}his is the first documented occurrence of {E}arly {A}rchean zircon crystals sampled by a recent volcanic event. {T}hese {C}entral {A}natolian zircon grains are among the oldest discovered on {E}arth and imply the presence at depth of remnants of an {E}arly {A}rchean basement that was hitherto unknown in {E}urasia.}, keywords = {{TURQUIE}}, booktitle = {}, journal = {{G}eology}, volume = {40}, numero = {3}, pages = {239--242}, ISSN = {0091-7613}, year = {2012}, DOI = {10.1130/g32472.1}, URL = {https://www.documentation.ird.fr/hor/{PAR}00008669}, }