Sentences with phrase «maastrichtian age estimate»

Based on my 401 (k) by age estimates, older - age savers (50 +) should be able to become 401 (k) millionaires around age 60 if they've been maxing out their 401 (k) and properly investing since the age of 23.
Because any age estimates using C - 14 prior to the Flood will give much older dates than the true age.
As a way of checking this age estimate, we can examine the oldest things we find in the universe to verify that they are 10 - 15 billion years old, but definitely not older.
The previous age estimate...
Analyses of thin mineral deposits partly covering painted cave areas provided minimum age estimates for the art, based on known decay rates of radioactive uranium in the rock.
Age estimates relied on measures of the decay of radioactive forms of argon and uranium in volcanic ash layers framing tool - bearing sediment.
The team calculates an age of only 400 - 600 million years old, which agrees with the age estimated from its rotation period (a technique pioneered by CfA astronomer Soren Meibom).
NASA's Swift satellite picked up the short - lived burst Thursday — gamma - ray bursts usually last just minutes, even seconds — and a suite of follow - up observations of the explosion's afterglow at telescopes around the globe enabled an age estimate.
Moore and his colleagues base the youthful age estimate on the lack of craters in this scene.
Three dating methods, conducted in three different labs, yielded an age estimate for the Misliya jaw.
Age estimates for the Misliya jaw jibe with an ancient DNA study published online July 4, 2017, in Nature Communications.
To test their hypothesis, Rampino and Caldeira performed time - series analyses of impacts and extinctions using newly available data offering more accurate age estimates.
Researchers have yet to test Lesedi fossils for DNA or to try to generate age estimates for the new finds.
New age estimates for previously discovered fossils position Graecopithecus as potentially the earliest known hominid, the investigators suggest.
An initial age estimate may come later this year if different dating techniques
The revised age — depth model reveals that the published age estimates based on some previously identified paleomagnetic events and optically stimulated luminescence dates from MAL05 - 1C are inaccurate for sediment older than ∼ 50 ka.
Although we can not be certain of the species that manufactured the artefacts, we note that the lithic assemblages were produced at a time corresponding with the origin of Homo sapiens in Africa based on mitochondrial DNA [40] and nuclear genomic [41] age estimates and fossil finds [42], [43].
Beyond 30 m depth, no secure independent age estimates are available and a tentative age — depth relationship is projected to 40 m assuming linear sedimentation (dashed lines).
The YTT isochron provides an accurate and precise age estimate for the Lake Malawi paleoclimate record, which revises the chronology of past climatic events in East Africa.
Recent dating of the YTT by high precision 40Ar / 39Ar dating of near - vent sanidine phenocrysts has generated two partially overlapping age estimates: 75.0 ± 0.9 ka (4) and 73.88 ± 0.32 ka (17).
However, uranium - thorium dating provides much more reliable results than methods such as radiocarbon dating, which can give false age estimates.
A Late Maastrichtian age estimate for the unit has been supported by both stable strontium isotope analyses [12] and ammonite biostratigraphy [13].
The revised age model for the top 30 m of MAL05 - 1C (Fig. 4) was generated using 15 radiocarbon ages (7) and the latest high - precision YTT age estimate of 75.0 ± 0.9 ka (4) in a Bayesian P - Sequence depositional model (37), run in OxCal version 4.1 (38) with outlier analysis (39) and interpolation at 0.5 m intervals.
Through international collaboration, age estimates will be coupled with microbial community analyses to better characterize what microbes are active.
This example demonstrates some of the challenges in determining accurate age estimates and identifications of faint companions.
[11] Asteroseismic analyses that incorporate the tight observational constraints on the stellar parameters for α Cen A and / or B have yielded age estimates of 7000484999999999999 ♠ 4.85 ± 0.5 Gyr, [7] 7000500000000000000 ♠ 5.0 ± 0.5 Gyr, [27] 5.2 — 7.1 Gyr, [28] 6.4 Gyr, [29] and 7000652000000000000 ♠ 6.52 ± 0.3 Gyr.
This age, however, differs significantly from the age estimated by another method which has been used by astronomers for decades.
In 2010, a new study (which included better model atmosphere fitting) argued that the system is around six billion years old, even older than estimates of 3.7 to 4.3 billion years derived from a 2009 study based on mass and evolutionary models for the two brown dwarf companions Ba and Bb (Liu et al, 2010; and King et al, 2009), which are much older than an earlier age estimate of between 0.8 and 2.0 billion years based on the star's rotational speed (press release; Scholz et al, 2003; and Lachaume et al, 1999).
We prepared datasets that allowed us to study the improvement of distance and age estimates with the inclusion of TGAS and Gaia end - of - mission parallax precisions in isochrone fitting.
Using TGAS parallaxes in isochrone fitting we are able to reduce distance and age estimate uncertainties for TGAS stars for distances up to 1 kpc by more than one third, compared to results based only on spectrophotometric data.
Radiocarbon dating is a method that provides objective age estimates for carbon - based materials that originated from living organisms.
And an article on Ad Age estimates, on average, UK & Australian subscribers listen to podcasts 5 — 6 hours per week.
If you've adopted a kitten or an older cat and don't know the animal's history, your veterinarian will be able to provide you with an age estimate.
My 7 - yr old cat, Goose, (age estimated) has lost 1.5 lbs over the past 1.5 months.
Sea - ice age estimates in spring, showing conditions during the last week of April in 2009 (upper image) and 2010 (lower image).
Sea ice type and ice age estimates will continue to be important as well as direct observations.
Rigor et al.; 4.2 million square kilometers; Statistical — age estimates In comparison to 2007 and 2008, there is much more first year (FY) ice in the Beaufort and Chukchi Seas in 2009, which we expect to precondition this area for a more extensive retreat than in 2007 and 2008.
The National Council on Aging estimates that one out of every ten seniors in America over the age of 60 has been victim to elder abuse.

Not exact matches

Shepherded by meticulous spreadsheet estimates, they retired — both aged 43 — in September 2015 to travel indefinitely.
That hasn't deterred roughly 16 % of American women between the ages of 15 - 44 from taking the tablets every day, as Guttmacher Institute estimates.
Olivia Jacqueline Mead had been left up to $ 3 million from the estate, estimated at more than $ 1 billion, but could not touch it until she was aged 30.
Martha Stewart Weddings and the trends consultancy the Futures Co. say that destination weddings are increasing in popularity, with 31 % of brides between the ages of 21 and 30 planning to tie the knot away from home — that's up from previous estimates of 10 % to 20 %.
The ILO estimated that some 74.5 million young people aged 15 — 24 were unemployed in 2013 — almost 1 million more than in the year before.
Fidelity Investments estimates that a couple, both age 65 and retiring in 2015 with Medicare as their primary insurance, will need $ 245,000 in today's dollars for health - care costs during retirement.
This is a particularly important approval since shingles is one of the few conditions that everyone over a certain age is recommended to get, leading analysts to estimate sales could exceed $ 1.3 billion per year by 2023.
The AARP estimates adults over the age of 50 account for $ 7.6 trillion dollars of annual economic activity in the U.S.
An estimated 8,000 children under the age of six were exposed to potentially brain - altering levels of lead due to unsafe drinking water.
For example, reports from the Center for Retirement Research estimate that 25 - year - old workers who hope to retire at age 62 would need to save 15 percent per year to adequately replace their income in retirement.
By 2030, an estimated 345 million Chinese will be over the age of 60, necessitating even more medicines, treatments and medical devices.
Age: 27 nRole: Ex-college roommate of Zuckerberg, Facebook co-founder nNew Estimated Wealth: $ 6.24 billionn
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