Sixty-four people still remain missing 90 hours after a landslide hit a residential area of a mining company in Shanyang county, northwest China's Shaanxi province early Wednesday, rescuers said on Saturday.

By 8pm Beijing time on Saturday, no sign of life had been spotted, local government rescue headquarters told reporter.

Local rescuers are continuing their search but the heavy piles of rocks from the landslide made their search very difficult, the rescue headquarters said.

A total of 64 people including 7 minors with the youngest only 8 month old, went missing after more than 15 dorms and three houses were buried at Wuzhou mining company in the mountainous county of Shanyang just after midnight on Wednesday.

They have been identified as local villagers, workers of the Wuzhou mining company and their families, and workers from two other construction teams.

After the landslide, ten people managed to escape on their own and four others were dug out by rescuers and taken to hospital. All four are in stable condition.

There are a number of vanadium mines in the area and residents have often voiced concern about the effect of mining on the environment.