Hydrogeochemical characteristics of hot springs in the Longriba fault, northeastern Tibetan Plateau: Tectonic implications for geothermal fluid circulation
Journal of Asian Earth Sciences,
Год журнала:
2025,
Номер
unknown, С. 106511 - 106511
Опубликована: Фев. 1, 2025
Язык: Английский
Seismic performance and damage characteristics of pile network composite-reinforced high-speed railway subgrade
Soil Dynamics and Earthquake Engineering,
Год журнала:
2025,
Номер
194, С. 109340 - 109340
Опубликована: Март 12, 2025
Язык: Английский
Assessment of geothermal waters in Yunnan, China: Distribution, quality and driving factors
Geothermics,
Год журнала:
2025,
Номер
130, С. 103323 - 103323
Опубликована: Март 16, 2025
Язык: Английский
Spatial distribution of mercury in geothermal springs and its correlation with tectonic setting in the Bayan Har block of Tibetan Plateau, China
Geothermics,
Год журнала:
2025,
Номер
130, С. 103351 - 103351
Опубликована: Апрель 22, 2025
Язык: Английский
Seismic Signals of the Wushi MS7.1 Earthquake of 23 January 2024, Viewed Through the Angle of Hydrogeochemical Characteristics
Applied Sciences,
Год журнала:
2025,
Номер
15(9), С. 4791 - 4791
Опубликована: Апрель 25, 2025
On
23
January
2024,
a
MS7.1
earthquake
struck
Wushi
County,
Xinjiang
Uygur
Autonomous
Region,
marking
the
largest
seismic
event
in
Southern
Tianshan
(STS)
region
past
century.
This
study
investigates
relationship
between
hydrothermal
fluid
circulation
and
activity
by
analyzing
chemical
composition
origin
of
fluids
natural
hot
springs
along
Maidan
Fracture
(MDF).
Results
reveal
two
distinct
hydrochemical
water
types
(Ca-HCO3
Ca-Mg-Cl).
The
δD
δ18O
values
indicating
spring
are
influenced
atmospheric
precipitation
input
altitude.
Circulation
depths
(621–3492
m)
thermal
reservoir
temperatures
(18–90
°C)
were
estimated.
Notably,
high
3He/4He
ratios
(3.71
Ra)
mantle-derived
3He
content
reached
46.48%,
confirming
that
complex
gas–water–rock
interactions
occur
at
fracture
intersections.
Continuous
monitoring
site
S13
(144
km
from
epicenter
earthquake)
captured
pre-and
post-seismic
hydrogeochemical
fingerprints
linked
to
earthquake.
Stress
accumulation
MDF
induced
permeability
changes,
perturbing
equilibrium.
At
42
days
pre-Wushi
earthquake,
δ13C
DIC
exceeded
+2σ
thresholds
(−2.12‰),
signaling
deep
expansion
CO2
release.
By
38
Na+,
SO42−,
surpassed
2σ
levels,
reflecting
hydraulic
connection
deep-seated
shallow
networks.
Ion
concentrations
isotope
showed
dynamic
shifts
during
which
revealed
episodic
stress
transfer
fault
asperities.
Post-Wushi
closure
reduced
input,
causing
drop
−4.89‰,
with
ion
returning
baseline
within
34
days.
Trace
elements
such
as
Be
Sr
exhibited
anomalies
12
before
while
like
Li,
B,
Rb
24
after
Hydrochemical
captures
critical
stress-induced
signals,
offering
vital
insights
for
forecasting
tectonically
active
regions.
Язык: Английский
Geochemical characteristics, Li source and genesis mechanism of thermal mineral water in Sichuan Basin, SW China
Geothermics,
Год журнала:
2024,
Номер
122, С. 103079 - 103079
Опубликована: Июнь 13, 2024
Язык: Английский
Notably high salinity of geothermal water in the coastal area in Hainan Island, China, predominantly dominated by tectonic activities
Geothermics,
Год журнала:
2024,
Номер
126, С. 103202 - 103202
Опубликована: Ноя. 23, 2024
Язык: Английский
The Genesis and Circulation of Geothermal Water in the Riduo–Cuona Rift, Eastern Tibetan Plateau, Based on Hydrochemistry and Stable Isotopes Geochemistry
Geological Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 28, 2024
ABSTRACT
Studying
initial
geothermal
fluids
and
tectonic
active
zones
is
crucial
for
exploiting
intermediate
high‐temperature
resources.
This
study
aims
to
investigate
the
genesis,
circulation
environmental
implications
of
water
in
Riduo–Cuona
Rift
(RCR)
eastern
Tibetan
Plateau.
By
integrating
hydrochemical
analysis,
stable
isotope
geochemistry
(δ
2
H,
δ
18
O
87
Sr/
86
Sr),
noble
gas
characteristics,
research
seeks
develop
comprehensive
models
RCR.
(M1)
The
spatial
distribution
waters
near
molten
magmatic
domes
indicated
Sr
ranges
consistent
with
those
rock,
respectively.
high
Ca,
Mg
‘hardness’
spring
were
attributed
strata
surrounding
dome
resulting
from
last
leaching,
as
confirmed
by
estimated
higher
hydraulic
head,
mainly
located
‘immature
water.’
(M2)
corresponding
an
orogenic
belt
revealed
HCO
3
·SO
4
–Na
dominant
facies
northern
Research
suggests
that
springs
exhibit
greater
depths
solute
SO
related
Gangdise
arc
leaching.
(M3)
However,
zone's
(0.705763–0.709754)
evaporite
characteristics.
thermal
reservoir
temperature
this
structural
junction
zone
highest
(256.75°C–287.03°C).
trace
alkali
element
concentrations,
particularly
B,
F
As,
exceeded
WHO
guideline;
drainage
system
analysis
indicates
regional
nonnegligible
risks
Gudui.
Establishing
these
can
clarify
relationships
between
fluids,
structures
faults,
providing
insights
into
resource
potential,
possible
strategies
sustainable
exploitation
region.
Язык: Английский