Sayyiduna Ammar bin Yasir (may Allah be pleased with him) said: We wiped with earth (tayammum) in the presence of the Messenger of Allah (peace and blessings be upon him); we wiped our faces and our hands up to the shoulders.
(b) Sufyan bin Uyaynah was in doubt about mentioning his father in its chain; sometimes he narrates it as "from Ibn Dinar, from al-Zuhri," and sometimes only from "al-Zuhri".
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1002