In the Guerrero-Morelos platform (Guerrero State. Mexico) the adakitic rocks of Early Tertiary age contain abundant hornblende-rich tonalite xenoliths. Zircon crystals have been concentrated from both adakites and xenoliths. and dated using in-situ U-Pb ion microprobe analyses. https://thehookahlabes.shop/product-category/hookah-parts/