Passage: Various telecommunications firms also have branches in Somaliland. Among these companies is Telesom, one of the largest operators in Somaliland. Founded in 2002 with the objective of supplying the local market with telecommunications services such as GSM, fixed line, and Internet access, it has an extensive network that covers all of Somaliland's major cities and more than 40 districts in both Somalia and Somaliland. Telesom also offers among the cheapest international calling rates at US$0.2 less than its nearest competitor. Other telecommunication firms serving the region include Somtel, Telcom and NationLink.Livestock is the backbone of Somaliland's economy. Sheep, camels, and cattle are shipped from the Berbera port and sent to Gulf Arab countries, such as Saudi Arabia.Agriculture is generally considered to be a potentially successful industry, especially in the production of cereals and horticulture. Mining also has potential, though simple quarrying represents the extent of current operations, despite the presence of diverse quantities of mineral deposits.

Question: What are they searching for in the quarry?
mineral deposits