Deep water surveys in the central Red Sea region revealed the presence of anomalously hot, saline brines and associated metalliferous muds.
Key Discoveries in the Red Sea
Exploration efforts in the Red Sea have uncovered significant geological features and deposits deep beneath the surface. Based on scientific surveys:
- Initial Reports (1949): A deep water survey first reported finding anomalously hot brines in the central part of the Red Sea.
- Confirmed Findings (1960s): Later work further confirmed these initial reports, specifically identifying the presence of hot, 60 °C (140 °F), saline brines and associated metalliferous muds.
These hot solutions were observed to be originating from an active subseafloor rift zone.
What Were the Findings?
Let's break down the specific discoveries mentioned:
- Hot, Saline Brines: This refers to extremely salty water that is significantly hotter than the surrounding deep-sea water. The confirmed temperature was measured at 60 °C (140 °F). The high salinity and temperature are key characteristics.
- Associated Metalliferous Muds: Found alongside the hot brines were muds rich in metals. These muds likely formed as dissolved metals from the Earth's crust precipitated out of the hot, mineral-rich brine solution when it mixed with cooler seawater.
These findings highlight the dynamic geological activity occurring beneath the Red Sea floor, particularly around active rift zones where heat and minerals are released from within the Earth.